Best refrigerator water filters
Fridge filters are the most convenient option, but also among the most expensive per gallon. We rank by what each is actually certified to reduce — not by the marketing on the box.
179 certified refrigerator models in our database · ranked by independent certification and cost per gallon · no paid placement.
Whirlpool EDR3RXD1B
Certified to reduce 13 contaminants, including lead and PFAS. About 23.1¢ per gallon.
Prices shown are as of August 20, 2026 and may change — check Amazon for the current price. As an Amazon Associate we earn from qualifying purchases; some links are affiliate links and we may earn a commission at no extra cost to you. Disclosure.
How the top refrigerator filters compare
| Filter | Certified for | Contaminants | Price | ¢/gal | |
|---|---|---|---|---|---|
| Whirlpool EDR3RXD1B | Asbestos, Atrazine, Chlorine / chloramine +10 | 13 | $46.12 | 23.1 | Buy |
| Whirlpool EDR3RXD1R | Asbestos, Atrazine, Chlorine / chloramine +10 | 13 | $46.12 | 23.1 | Buy |
| Whirlpool P1WB2 | Asbestos, Atrazine, Chlorine / chloramine +10 | 13 | $46.12 | 23.1 | Buy |
| Whirlpool EDR1RXD1R | Asbestos, Atrazine, Chlorine / chloramine +7 | 10 | $50.8 | 25.4 | Buy |
| Whirlpool EDR2RXD1R | Asbestos, Atrazine, Chlorine / chloramine +7 | 10 | $53.99 | 27.0 | Buy |
| Whirlpool P9WB2L | Asbestos, Atrazine, Chlorine / chloramine +7 | 10 | $53.99 | 27.0 | Buy |
| Whirlpool W11569861 | Asbestos, Atrazine, Chlorine / chloramine +7 | 10 | $53.99 | 54.0 | Buy |
| Whirlpool W11569863 | Asbestos, Atrazine, Chlorine / chloramine +7 | 10 | $53.99 | 27.0 | Buy |
| Samsung Samsung | Asbestos, Atrazine, Chlorine / chloramine +6 | 9 | $34.99 | 11.7 | Buy |
| Samsung Samsung | Asbestos, Atrazine, Chlorine / chloramine +6 | 9 | $38.11 | 12.7 | Buy |
| Samsung Samsung | Asbestos, Atrazine, Chlorine / chloramine +6 | 9 | $38.11 | 12.1 | Buy |
| Samsung Samsung | Asbestos, Atrazine, Chlorine / chloramine +6 | 9 | $44.98 | 15.0 | Buy |
See all 188 refrigerator filters →
How to choose a refrigerator filter
Match it to your water. The best filter is the one certified for what's actually in your water. ZIP to see your contaminants, then confirm the filter's certified claim list covers them.
Certification tiers to know. NSF/ANSI 42 = aesthetic (taste, chlorine); NSF/ANSI 53 = health (lead, VOCs, cysts); NSF/ANSI 401 = emerging contaminants (pharmaceuticals). A filter is only credited for the exact claims it lists.
Installation & upkeep. Snaps into your refrigerator. No tools. Expect to replace the element about 2×/year; the running cost of refills usually matters more than the sticker price.
Frequently asked
What's the most important thing when buying a refrigerator water filter?
Certification for the specific contaminant you care about. "NSF certified" is not one thing — a filter certified for lead (NSF 53) may do nothing for PFAS or fluoride, and NSF 42 only covers taste and chlorine. Check the exact certified claim, which we list for every filter.
Are these filters actually certified, or just "tested to" a standard?
Every filter here is listed in the public certification database of NSF, WQA, or IAPMO — meaning an independent body verified its claims. We never count "tested to" marketing claims that aren't backed by a listing.
How do you rank them — does anyone pay for placement?
No. We rank by independent certification coverage and true cost per gallon, computed before any buy link is attached. See our methodology.
Rankings use NSF/WQA/IAPMO public certification data and computed cost per gallon. We only attach a buy link when we can verify the retail listing is the certified model. Some links are affiliate links — see our disclosure.