Best under-sink water filters in Canada

41 under-sink water filters ranked as of . Each has an in-stock price in Canadian dollars from the maker’s own store or a retailer selling directly, checked within the last 30 days, and at least one accepted rating or published expert test with a score. 107 more are listed below with the reason they are not ranked.

Show Canadian-made under-sink water filters only

Not ranked: available, no rating or published test on record (36) · offer check lapsed (71)

  1. 1

    Frizzlife Under Sink Water Filter With Drinking Faucet

    Frizzlife

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    96.87
    Availability and price (30%)
    97.00
    Total
    58.16

    0.4 × 0.00 + 0.3 × 96.87 + 0.3 × 97.00 = 58.16

    • Reviews: 4.9 out of 5 from 303 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 4/40) because 4 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $95.99 at Frizzlife (maker's own store, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Frizzlife Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.9 out of 5 from 303 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  2. 2

    Frizzlife FK99 Direct Connect Under Sink Water Filter System

    Frizzlife

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.58
    Availability and price (30%)
    94.75
    Total
    56.50

    0.4 × 0.00 + 0.3 × 93.58 + 0.3 × 94.75 = 56.50

    • Reviews: 4.8 out of 5 from 74 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 7/40) because 7 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $109.09 at Frizzlife (maker's own store, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Frizzlife Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 74 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  3. 3

    EcoPure Main Faucet Under Sink Water Filtration System

    EcoPure

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.20
    Availability and price (30%)
    100.00
    Total
    56.46

    0.4 × 0.00 + 0.3 × 88.20 + 0.3 × 100.00 = 56.46

    • Reviews: 4.3 out of 5 from 41 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 0/40) because 0 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $70.42 at Desertcart.ae (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Desertcart.ae Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $89.75 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.3 out of 5 from 41 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  4. 4

    Express Water Bulb UV Light Bulb Under Sink And Reverse Osmosis UV Water

    Express

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.06
    Availability and price (30%)
    94.00
    Total
    56.12

    0.4 × 0.00 + 0.3 × 93.06 + 0.3 × 94.00 = 56.12

    • Reviews: 5 out of 5 from 22 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 8/40) because 8 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $121.00 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 22 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  5. 5

    Frizzlife SW10 Direct Connect Under Sink Water Filter System

    Frizzlife

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.13
    Availability and price (30%)
    93.25
    Total
    55.91

    0.4 × 0.00 + 0.3 × 93.13 + 0.3 × 93.25 = 55.91

    • Reviews: 4.7 out of 5 from 181 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 9/40) because 9 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $139.99 at Frizzlife (maker's own store, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Frizzlife Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 181 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  6. 6

    Waterdrop 15Ua-Uf 0.01 μm Ultra Filtration Under Sink Water Filter for Baçtёria Reduction

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.57
    Availability and price (30%)
    96.25
    Total
    55.75

    0.4 × 0.00 + 0.3 × 89.57 + 0.3 × 96.25 = 55.75

    • Reviews: 3.4 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 5/40) because 5 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $99.99 at Best Buy Canada Marketplace (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Best Buy Canada Marketplace Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.4 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  7. 7

    Frizzlife 3-Stage Under Sink Water Filter System SK99-NEW

    Frizzlife

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    94.95
    Availability and price (30%)
    90.25
    Total
    55.56

    0.4 × 0.00 + 0.3 × 94.95 + 0.3 × 90.25 = 55.56

    • Reviews: 4.8 out of 5 from 237 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 13/40) because 13 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $199.99 at Frizzlife (maker's own store, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Frizzlife Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 237 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  8. 8

    Frizzlife Direct Connect Under Sink Water Filter System

    Frizzlife

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    92.43
    Availability and price (30%)
    92.50
    Total
    55.48

    0.4 × 0.00 + 0.3 × 92.43 + 0.3 × 92.50 = 55.48

    • Reviews: 4.8 out of 5 from 34 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 10/40) because 10 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $145.99 at Frizzlife (maker's own store, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Frizzlife Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 34 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  9. 9

    Rainfresh Water Filtration System

    Rainfresh

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    85.59
    Availability and price (30%)
    99.25
    Total
    55.45

    0.4 × 0.00 + 0.3 × 85.59 + 0.3 × 99.25 = 55.45

    • Reviews: 3.9 out of 5 from 29 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 1/40) because 1 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $74.99 at Princess Auto (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Princess Auto Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.9 out of 5 from 29 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  10. 10

    Rainfresh Undersink Drinking Water System uc205

    Rainfresh

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.02
    Availability and price (30%)
    95.50
    Total
    55.36

    0.4 × 0.00 + 0.3 × 89.02 + 0.3 × 95.50 = 55.36

    • Reviews: 4.1 out of 5 from 7 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 6/40) because 6 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $102.58 at Home Depot by Reliable Parts (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot by Reliable Parts Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.1 out of 5 from 7 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  11. 11

    iSpring us31 Classic 3-Stage Under Sink Water Filtration System for Dr

    iSpring

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    91.72
    Availability and price (30%)
    91.75
    Total
    55.04

    0.4 × 0.00 + 0.3 × 91.72 + 0.3 × 91.75 = 55.04

    • Reviews: 4.6 out of 5 from 312 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 11/40) because 11 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $166.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.6 out of 5 from 312 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  12. 12

    CasaWater Under Sink Water Filtration System

    CasaWater

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    91.00
    Total
    54.36

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 91.00 = 54.36

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 12/40) because 12 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $185.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  13. 13

    EcoPure ECODWF Undersink Filter Set

    EcoPure

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    82.82
    Availability and price (30%)
    97.75
    Total
    54.17

    0.4 × 0.00 + 0.3 × 82.82 + 0.3 × 97.75 = 54.17

    • Reviews: 3.5 out of 5 from 28 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 3/40) because 3 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $89.75 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.5 out of 5 from 28 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  14. 14

    Waterdrop TSB-UF Ultra Filtration Under Sink Water Filter System

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    88.75
    Total
    53.69

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 88.75 = 53.69

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 15/40) because 15 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $248.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  15. 15

    iSpring CU-A4 4-Stage High Capacity Premium Under Sink Drinking Water

    iSpring

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    91.60
    Availability and price (30%)
    87.25
    Total
    53.66

    0.4 × 0.00 + 0.3 × 91.60 + 0.3 × 87.25 = 53.66

    • Reviews: 4.6 out of 5 from 198 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 17/40) because 17 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $267.99 at Staples Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Staples Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.6 out of 5 from 198 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  16. 16

    KRAUS Purita 2-Stage Under Sink Water Filtration System With Digital Display Monitor

    KRAUS

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    92.44
    Availability and price (30%)
    85.75
    Total
    53.46

    0.4 × 0.00 + 0.3 × 92.44 + 0.3 × 85.75 = 53.46

    • Reviews: 4.7 out of 5 from 78 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 19/40) because 19 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $298.32 at Wayfair Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Wayfair Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 78 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  17. 17

    Brondell H2O+ Coral Three-Stage Water Filtration System uc300

    Brondell

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.20
    Availability and price (30%)
    89.50
    Total
    53.31

    0.4 × 0.00 + 0.3 × 88.20 + 0.3 × 89.50 = 53.31

    • Reviews: 4.4 out of 5 from 446 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 14/40) because 14 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $217.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.4 out of 5 from 446 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  18. 18

    AW-RB05 Alkaline PH+ Reverse Osmosis Water Filter GPD Tankless Under-Sink RO System-Black丨costway

    AW-RB05

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    86.50
    Total
    53.01

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 86.50 = 53.01

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 18/40) because 18 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $289.99 at Costway.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Costway.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  19. 19

    3M Aqua-Pure AP200 Under Sink Water Filtration System

    3M

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.11
    Availability and price (30%)
    88.00
    Total
    52.83

    0.4 × 0.00 + 0.3 × 88.11 + 0.3 × 88.00 = 52.83

    • Reviews: 4.2 out of 5 from 23 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 16/40) because 16 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $265.82 at Canadian Water Warehouse (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Canadian Water Warehouse Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.2 out of 5 from 23 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  20. 20

    Frizzlife TW15 Under Sink Water Filter System

    Frizzlife

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.97
    Availability and price (30%)
    85.00
    Total
    52.79

    0.4 × 0.00 + 0.3 × 90.97 + 0.3 × 85.00 = 52.79

    • Reviews: 4.7 out of 5 from 16 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 20/40) because 20 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $314.99 at Frizzlife (maker's own store, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Frizzlife Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 16 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  21. 21

    Waterdrop T3-C 450G RO Filter – 8-Stage RO (no separate page yet)

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    84.25
    Total
    52.34

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 84.25 = 52.34

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 21/40) because 21 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $319.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  22. 22

    Waterdrop T3-M Under-Sink RO – Fast 450GPD Flow (no separate page yet)

    Waterdrop T3-M

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    83.50
    Total
    52.11

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 83.50 = 52.11

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 22/40) because 22 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $329.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  23. 23

    Waterdrop T3-M 450G Remineralization RO Under the Sink Water Filter (no separate page yet)

    Waterdrop T3-M

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.23
    Availability and price (30%)
    82.75
    Total
    51.89

    0.4 × 0.00 + 0.3 × 90.23 + 0.3 × 82.75 = 51.89

    • Reviews: 4.7 out of 5 from 3 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 23/40) because 23 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $399.00 at Best Buy Canada Marketplace (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Best Buy Canada Marketplace Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 3 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  24. 24

    EcoPure ECOP20 Dual Stage Undersink Water Filtration System (no separate page yet)

    EcoPure

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    74.42
    Availability and price (30%)
    98.50
    Total
    51.88

    0.4 × 0.00 + 0.3 × 74.42 + 0.3 × 98.50 = 51.88

    • Reviews: 3 out of 5 from 54 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 2/40) because 2 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $75.00 at restoreshop.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for restoreshop.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3 out of 5 from 54 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  25. 25

    iSpring RCC7P-AK, 6-Stage Reverse Osmosis System Under Sink Alkaline Water Filter and Pump (no separate page yet)

    iSpring

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    95.14
    Availability and price (30%)
    77.50
    Total
    51.79

    0.4 × 0.00 + 0.3 × 95.14 + 0.3 × 77.50 = 51.79

    • Reviews: 4.8 out of 5 from 297 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 30/40) because 30 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $566.99 at Wayfair Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Wayfair Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 297 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  26. 26

    Waterdrop G5P700A Tankless Under Sink RO Water Filtration System 700GPD (no separate page yet)

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.38
    Availability and price (30%)
    82.00
    Total
    51.71

    0.4 × 0.00 + 0.3 × 90.38 + 0.3 × 82.00 = 51.71

    • Reviews: 5 out of 5 from 2 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 24/40) because 24 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $469.99 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 2 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  27. 27

    iSpring rcc7u Under Sink 6-Stage Reverse Osmosis RO Drinking Water (no separate page yet)

    iSpring

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    91.10
    Availability and price (30%)
    79.75
    Total
    51.26

    0.4 × 0.00 + 0.3 × 91.10 + 0.3 × 79.75 = 51.26

    • Reviews: 4.7 out of 5 from 19 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 27/40) because 27 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $485.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 19 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  28. 28

    iSpring Water Systems iSpring 3-Stage Under Sink Tankless Water Filtration System (no separate page yet)

    iSpring

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    79.00
    Total
    50.76

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 79.00 = 50.76

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 28/40) because 28 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $529.99 at Wayfair Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Wayfair Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  29. 29

    Express Water 11 Stage UV Ultraviolet + Alkaline + Reverse Osmosis Home Drinking Water Filtration System 100 GPD RO Membrane Filter (no separate page yet)

    Express

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.52
    Availability and price (30%)
    80.50
    Total
    50.71

    0.4 × 0.00 + 0.3 × 88.52 + 0.3 × 80.50 = 50.71

    • Reviews: 3.5 out of 5 from 4 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 26/40) because 26 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $478.00 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.5 out of 5 from 4 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  30. 30

    Doulton HIP TRIO Under Sink Water Filter System with Biotect Ultra (no separate page yet)

    Doulton HIP

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    78.25
    Total
    50.54

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 78.25 = 50.54

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 29/40) because 29 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $560.00 at Canada Water Filter Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Canada Water Filter Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  31. 31

    RCC1UP-AK iSpring 100 GPD 7-Stage Reverse Osmosis Under Sink Water Filtration System with Boost Pump (no separate page yet)

    RCC1UP-AK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.31
    Availability and price (30%)
    74.50
    Total
    50.34

    0.4 × 0.00 + 0.3 × 93.31 + 0.3 × 74.50 = 50.34

    • Reviews: 4.7 out of 5 from 239 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 34/40) because 34 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $745.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $756.99 at Staples Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Staples Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 239 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  32. 32

    iSpring Water Systems iSpring 3-Stage Under Sink Tankless Water Filtration System, Bacteria and Viruses Removal (no separate page yet)

    iSpring

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.43
    Availability and price (30%)
    76.75
    Total
    50.15

    0.4 × 0.00 + 0.3 × 90.43 + 0.3 × 76.75 = 50.15

    • Reviews: 4.7 out of 5 from 6 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 31/40) because 31 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $569.99 at Wayfair Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Wayfair Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 6 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  33. 33

    Waterdrop Under Sink Reverse Osmosis Instant Hot Water System (no separate page yet)

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.81
    Availability and price (30%)
    73.00
    Total
    50.04

    0.4 × 0.00 + 0.3 × 93.81 + 0.3 × 73.00 = 50.04

    • Reviews: 4.8 out of 5 from 87 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 36/40) because 36 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $919.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 87 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  34. 34

    iSpring RCC1UP 6-Stage 100 GPD Under Sink Reverse Osmosis Drinking Water Filtration System With Booster Pump And UV Ultraviolet Filter (no separate page yet)

    iSpring

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    91.31
    Availability and price (30%)
    75.25
    Total
    49.97

    0.4 × 0.00 + 0.3 × 91.31 + 0.3 × 75.25 = 49.97

    • Reviews: 4.8 out of 5 from 14 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 33/40) because 33 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $654.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 14 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  35. 35

    Waterdrop G3P600 Under Sink (no separate page yet)

    Waterdrop G3P600

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.00
    Availability and price (30%)
    76.00
    Total
    49.80

    0.4 × 0.00 + 0.3 × 90.00 + 0.3 × 76.00 = 49.80

    • Reviews: 4.5 out of 5 from 30 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 32/40) because 32 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $579.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.5 out of 5 from 30 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  36. 36

    Waterdrop Under Sink Instant Hot Reverse Osmosis Water Filter System (no separate page yet)

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    92.51
    Availability and price (30%)
    73.00
    Total
    49.65

    0.4 × 0.00 + 0.3 × 92.51 + 0.3 × 73.00 = 49.65

    • Reviews: 4.8 out of 5 from 36 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 36/40) because 36 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $919.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 36 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  37. 37

    Waterdrop Under Sink 800GPD Tankless Reverse Osmosis System with UV Sterilizing Light and Smart Faucet (no separate page yet)

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.56
    Availability and price (30%)
    71.50
    Total
    49.52

    0.4 × 0.00 + 0.3 × 93.56 + 0.3 × 71.50 = 49.52

    • Reviews: 4.9 out of 5 from 40 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 38/40) because 38 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $949.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.9 out of 5 from 40 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  38. 38

    Waterdrop Under Sink Water Filter 800 GPD Tankless RO System with UV Sterilizing Light and Smart Faucet -G3P800 (no separate page yet)

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.32
    Availability and price (30%)
    71.50
    Total
    49.45

    0.4 × 0.00 + 0.3 × 93.32 + 0.3 × 71.50 = 49.45

    • Reviews: 4.8 out of 5 from 62 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 38/40) because 38 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $949.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 62 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  39. 39

    Waterdrop G3P600 Tankless RO System with Extra Plus a CF Filter,600 GPD Fast Flow,8-stage Advanced Filtration (no separate page yet)

    Waterdrop G3P600

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    73.75
    Total
    49.19

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 73.75 = 49.19

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 35/40) because 35 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $798.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  40. 40

    System Waterdrop X16 Undersink Filter (no separate page yet)

    System

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.00
    Availability and price (30%)
    70.00
    Total
    48.00

    0.4 × 0.00 + 0.3 × 90.00 + 0.3 × 70.00 = 48.00

    • Reviews: 4.5 out of 5 from 15 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 40/40) because 40 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $1,999.00 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.5 out of 5 from 15 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  41. 41

    Waterdrop G5P700A Under Sink Alkaline Reverse Osmosis Filtration System (no separate page yet)

    Waterdrop

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    0.00
    Availability and price (30%)
    82.00
    Total
    24.60

    0.4 × 0.00 + 0.3 × 0.00 + 0.3 × 82.00 = 24.60

    • Reviews: no accepted review source with a rating and a count outside store-wide totals, so 0.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 24/40) because 24 of the 40 other ranked under-sink water filters have a lower lowest price.
    1. $469.99 at Waterdrop Canada Official (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Waterdrop Canada Official Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 2 reviews on Google Shopping, retrieved (source). (store-wide total, not used for ranking)

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

Available in Canada, not ranked: no rating or published test on record

A first-party Canadian seller has these in stock at a price in Canadian dollars, checked within the last 30 days, but we have no accepted rating and no published expert test with a score for them, so the formula has nothing to rank them on. Each line gives the lowest price, the seller and the date checked.

36 under-sink water filters

Show the 36 names
  • AQUA UVC-AC Under Sink Water Filtration System with CATRIS FLEXO FILTER 3-in-1 Kitchen Faucet (no separate page yet): $3,159.99 at Wayfair Canada, in stock when checked on ; no rating or published test on record
  • AquaReveal Multistage Stainless Steel Under Sink Water Filter System (no separate page yet): $240.00 at Aquarenaissance Water, in stock when checked on ; no rating or published test on record
  • Blanco Filter Starter Set Soft L (no separate page yet): $268.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • CasaWater Under Sink Stainless Steel Water Filtration System (no separate page yet): $1,114.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • COMFEE 5-Stage Reverse Osmosis System NSF Certified Water Filter for Under Sink (no separate page yet): $189.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Doulton HIP DUO Under Sink Water Filter System with Biotect Ultra (no separate page yet): $430.00 at Canada Water Filter Canada, in stock when checked on ; no rating or published test on record
  • Drinking Water System 2 with Faucet and Fittings (no separate page yet): $199.99 at McMunn & Yates Building Supplies, in stock when checked on ; no rating or published test on record
  • Novete Under Sink Water Filter System Uwf0a-Kpc | Colour: White | Size: Os | Spicyrolls's Closet (no separate page yet): $60.00 at Poshmark Canada, in stock when checked on ; no rating or published test on record
  • Pentair FreshPoint 4-Stage Under Sink Reverse Osmosis System Chrome (Modern) (no separate page yet): $879.00 at Purifi Water, in stock when checked on ; no rating or published test on record
  • SimPure T2-600T 600GPD Under Sink RO System (no separate page yet): $545.07 at SimPure Official, in stock when checked on ; no rating or published test on record
  • Ultrefina UUF-S05L Premium ultrafiltration under sink water filter system (no separate page yet): $1,195.00 at Ultrefina Canada Corp., in stock when checked on ; no rating or published test on record
  • US31-BV iSpring Under Sink 3-Stage Water Filtration System for Drinking, Reduce Bacteria and Viruses (no separate page yet): $449.99 at Wayfair Canada, in stock when checked on ; no rating or published test on record
  • UUF-P06 Ultrafiltration Under Sink Water Purification System (no separate page yet): $495.00 at Ultrefina Canada Corp., in stock when checked on ; no rating or published test on record
  • VIOMI 800G RO System NSF/ANSI 372&53&42 Certified 9 Stage & 48 Months Filter (no separate page yet): $549.00 at viomi.com, in stock when checked on ; no rating or published test on record
  • Waterdrop 15Ub Under Sink Water Filter (no separate page yet): $135.28 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Waterdrop 15Ub-Uf 0.01 μm Ultra Filtration Under Sink Water Filter System for Baçtёria Reduction (no separate page yet): $117.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Waterdrop 15Ub-Uf Under Sink Water Filter System (no separate page yet): $153.98 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • WATERDROP 17Ua 3 Years Under Sink Water Filter (no separate page yet): $99.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Waterdrop 17UA Under Sink Water Filter Extra an Rf17 Filter (no separate page yet): $159.98 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Waterdrop G2P600 Reverse Osmosis System Extra Wd-G2Cf Water Filter (no separate page yet): $668.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • Waterdrop G2P600 Reverse Osmosis System Extra Wd-Mnr35 Water Filter (no separate page yet): $678.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • Waterdrop G2P600 Reverse Osmosis System Extra Wd-Pt-05P Water Filter Pitcher (no separate page yet): $648.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • Waterdrop G2P600 Reverse Osmosis System Extra Wd-Pt-07B Water Filter Pitcher (no separate page yet): $658.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • Waterdrop G2P600 Reverse Osmosis System Extra Wd-Wfd-22L Water Pitcher (no separate page yet): $688.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • Waterdrop G3P800 Reverse Osmosis System Extra Wd-Mnr35 Water Filter (no separate page yet): $1,398.00 at Home Depot Canada, in stock when checked on ; no rating or published test on record
  • Waterdrop G5P500A Tankless Under Sink Reverse Osmosis System (no separate page yet): $339.99 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record
  • WATERDROP Sfu16Aw Under Sink Water Filter System (no separate page yet): $113.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Waterdrop Tsb Under Sink Water Filtration System (no separate page yet): $195.98 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Waterdrop TSU-W Under Sink Water Filter System Includes an Extra Pp Filter (no separate page yet): $256.98 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • Waterdrop Under Sink Reverse Osmosis Water Filtration System G5P500A (no separate page yet): $359.99 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record
  • Waterdrop X12-B Under Sink Alkaline RO Water Filter System with Black Faucet (no separate page yet): $1,359.00 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record
  • Waterdrop X12-B Under Sink Reverse Osmosis Water Filter with Black Faucet (no separate page yet): $1,499.00 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record
  • Waterdrop X12-PRO Dual Flow Reverse Osmosis Water Filter System for Under Sink (no separate page yet): $1,499.00 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record
  • Waterdrop X16-S Undersink Water Filter System with Stainless Faucet (no separate page yet): $1,999.00 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record
  • Waterdrop X8-A Alkaline Reverse Osmosis Water Filter System for Under Sink (no separate page yet): $799.00 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record
  • Waterdrop X8-A Under Sink Alkaline RO Water Filter System (no separate page yet): $799.00 at Waterdrop Canada Official, in stock when checked on ; no rating or published test on record

Not ranked: offer check lapsed

These have no in-stock offer checked within the last 30 days. Older prices are not published.

71 under-sink water filters

Show the 71 names
  • Amazon Basics Under Sink Water Filter System NSF/ANSI 42 & 372 Certified: offer never checked
  • APEC Water ROES-PH75LD 6-Stage Under Sink RO System Alkaline: offer never checked
  • Aqua Crest 5KDC Under Sink Water Filter System: offer never checked
  • AQUALTRA USF-3B-15 Slightly Alkaline Under Sink Water Filter: offer never checked
  • AQUALTRA USF-3F-15 Slightly Alkaline Under Sink Water Filter: offer never checked
  • Aquasana AQ-5300.56 3-Stage Under Counter Water Filter System: offer never checked
  • Aquasana Under Sink Water Filter Claryum 2-Stage Filtration AQ-6200-CHR: offer never checked
  • Aquasana Under Sink Water Filter System: offer never checked
  • AquaTru Under Sink Alkaline Reverse Osmosis Water Filter 4-Stage Water Purification System: offer never checked
  • Beesclover Ro System 600 Gpd Water Filter: offer never checked
  • BLACKDECKER Black+Decker Undersink Reverse Osmosis 6-Stage Drinking Water System In White: offer never checked
  • Bluonics 5 Stage Undersink Reverse Osmosis Water Systems for Drinking Water. Nsf Certified: offer never checked
  • Brio Reverse Osmosis Water Filtration System 700 GPD: offer never checked
  • Campbell Ultrafiltration+ Inline Under Sink Filter Kit Made In USA High Flow: offer never checked
  • Costway 600 Gpd Aw-Rb20 Alkaline Ph+ Reverse Osmosis Water Filter With 8-Stage Filtration Black-600 Gpd Ro: offer never checked
  • Costway 600 Gpd Tankless Under-Sink Ro System With 8-Stage Filtration & Smart Led Faucet Black + White-600 Gpd: offer never checked
  • CuZn Under Sink Water Filter for Sink Faucet, 10K Gallons or 1 Year Filtration Life: offer never checked
  • EcoPure EPWPFF Under Sink Water Filtration System White Easy install: offer never checked
  • Epic Water Filters Smart Shield MAX Under-Sink Water Filtration System: offer never checked
  • Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System: offer never checked
  • Frizzlife GX99 0.01m Ultra Filtration Under Sink Water Filter System: offer never checked
  • Frizzlife SK99 3-Stage Under Sink Water Filter: offer never checked
  • Frizzlife SW10 Under Sink Water Filter System: offer never checked
  • Frizzlife SW15F Under Sink Water Filter System With Brushed Nickel Faucet: offer never checked
  • Frizzlife SW20 Under Sink Water Filter System NSF/ANSI 53&42 Certified: offer never checked
  • Frizzlife Under Sink Water Filter System-High Capacity Direct Connect Under Counter Drinking Water Filtration System-0.5: offer never checked
  • GE Dual Stage Under Sink Water Filtration System With Faucet Reduces Lead: offer never checked
  • GE GXK285JBL Twist And Lock Under Counter Dual Flow Water Filtration S: offer never checked
  • ICEPURE Under Sink Water Filter System Under Counter Drinking Water System: offer never checked
  • iSpring RCC7 NSF Certified High Capacity Under Sink 5-Stage Reverse Osmosis Water: offer never checked
  • iSpring RCC7AK-UV, NSF Certified, 7-Stage Under Sink Reverse Osmosis Water Filtration System With Alkaline Remineralization and UV Filter: offer never checked
  • Kedsum Waterdrop 15ua Under Sink Water Filter System: offer never checked
  • Leadingstar Ro System 600 Gpd, Under-Sink Tankless Reverse Osmosis Water Filter: offer never checked
  • Lipstore Single Stage Under Sink Drinking Water Filter System Sediment A: offer never checked
  • Loomza 7-Stage Under Sink Remineralization Ultraviolet Reverse Osmosis Water Filtration System: offer never checked
  • Loomza Under Sink Drinking Water Filter Purifier Direct Connect Under Counter Drink Water Filtration System: offer never checked
  • Max Water 10 Stage Under Sink RO (Reverse Osmosis) Water Filtration System + Heavy Duty Tank + Faucet: offer never checked
  • Max Water 10 Stage Under Sink RO Water Filtration System + Heavy Duty Tank + Faucet: offer never checked
  • Max Water 5-Stage Ro Water Filtration With Faucet: offer never checked
  • Moen Single-Stage Under Sink Advanced Water Filtration System: offer never checked
  • OnlyPure Under Sink Drinking Water Filter System, 3 Years or 22K Ultra High Capacity NSF/ANSI 42 Certified: offer never checked
  • PureDrop PDR-16KCU 0.01 μm Ultra Filtration Under Sink Water Filter: offer never checked
  • PureDrop RTW5AK Reverse Osmosis Water Filter System With Alkaline Remineralization Filter: offer never checked
  • PureDrop uc15 under-sink water filtration system: offer never checked
  • Puredrop Uc15s Water Filter Under Sink For Drinking Water: offer never checked
  • PUREPLUS 22000 Gallons Under Sink Water Filter WFS5300A: offer never checked
  • RO800G Fast Flow Under Sink Reverse Osmosis Water Filter 9-Stage Ro Water Filtration System: offer never checked
  • Rotek Water Systems Reverse Osmosis Water Filtration System: offer never checked
  • US31-NC iSpring 3-Stage Under Sink Water Filtration System for Drinking: offer never checked
  • Vensio Reverse Osmosis Water Filtration System With Pump Brushed Nickel Faucet Under Sink Purifier: offer never checked
  • Waterdrop 10UA Under Sink Water Filter, Reduces PFAS, Lead, Chlorine, and Bad Taste: offer never checked
  • Waterdrop 10UB Water System: offer never checked
  • Waterdrop 15UA-PF Under Sink Water Filter System: offer never checked
  • Waterdrop 15UB Under Sink Water Filter System: offer never checked
  • Waterdrop 15UB-UF 0.01 μm Ultra Filtration Under Sink Water Filter System: offer never checked
  • Waterdrop AS13 Under Sink Filter: offer never checked
  • Waterdrop DST Stainless Steel Under Sink Water Filter System: offer never checked
  • Waterdrop G2P600 Tankless RO Water Filtration System for Home: offer never checked
  • Waterdrop TSA 3-Stage Under Sink Water Filter System: offer never checked
  • Waterdrop TSA Under Sink Water Filtration System: offer never checked
  • Waterdrop TSB-ALK 8 Layer Slightly Alkaline Under Sink Water Filter System: offer never checked
  • Waterdrop TSU Ultrafiltration System 0.01μm 3-Stage Tankless Water Filter: offer never checked
  • Waterdrop TSU Ultrafiltration System 0.01μm Under Sink Water Filter with Smart Panel: offer never checked
  • Waterdrop UL12A Under Sink Water Filter Upgraded For 10UA Time Reminder: offer never checked
  • Waterdrop WD-15UA – Premium Under Sink Filter System, Fast Flow, Great for Home or Office: offer never checked
  • Waterdrop WD-TSA-UF 0.01 μm Ultra Filtration Under Sink Water Filter System: offer never checked
  • Watts Premier Pure H2O 2-Stage Under Counter Water Filtration System: offer never checked
  • Watts PWDWUFKC33 Kwik-Change 3-Stage Membrane Filter System: offer never checked
  • WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System: offer never checked
  • Whirlpool Under Sink Water Filtration System WHKF-DUF Push-in Quick Connect: offer never checked
  • Zilai Under Sink Drinking Water Filter Purifier Direct Connect Under Counter Drink Water Filtration System: offer never checked