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Our top water filter picks

Every product we recommend, in one place. Each one is certified for the claims we make about it, and each links to the guide that explains why we picked it.

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Reverse osmosis

AquaTru Classic

Countertop reverse osmosis

PFAS reduction without plumbing work. Good for renters.

NSF/ANSI 58NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Waterdrop G3P800

Under-sink tankless reverse osmosis

Whole-family drinking water with the strongest PFAS reduction.

NSF/ANSI 58NSF/ANSI 53NSF/ANSI 42

Aquasana SmartFlow RO (AQ-SFRO2)

Under-sink reverse osmosis with tank and remineralizer

The broadest certified claim list of the under-sink RO systems we checked: lead, PFAS, arsenic, nitrate and fluoride.

NSF/ANSI 58NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

iSpring RCC7AK-BLK

Under-sink reverse osmosis with tank

A budget RO with lead and fluoride reduction you can look up in NSF's own directory.

NSF/ANSI 58

Under-sink filters

Aquasana Claryum 3-Stage

Under-sink carbon filter

PFAS and lead reduction with no wastewater and simple installation.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Aquasana Claryum Direct Connect (AQ-MF-1)

Under-sink carbon filter, uses your existing faucet

Lead and PFAS reduction under the sink with the easiest install: no new faucet, no drilling.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Multipure Aquaversa (MP750SB)

Under-sink carbon block filter with its own faucet

Lead, VOCs and microplastics, with a certification you can look up in NSF's own directory.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Pitchers

Brita Elite filter (in any Brita pitcher)

Pitcher cartridge

The cheapest certified PFAS option if you already own a Brita pitcher.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

ZeroWater pitcher (5-stage filter)

Pitcher with ion-exchange filter

PFAS, lead and chromium reduction in a pitcher, plus a TDS meter.

NSF/ANSI 53NSF/ANSI 42

PUR Plus pitcher filter (PPF951K)

Pitcher cartridge

The broadest certified PFAS claim of any pitcher filter we checked, plus lead and microplastics.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Water test kits

Tap Score Essential City Water Test

Mail-in lab test (city water)

City water users who want a real lab number for lead, arsenic, nitrate and other metals.

49 analytesLeadArsenicNitrate

Tap Score Essential Well Water Test

Mail-in lab test (private well)

Well owners covering the CDC's yearly list, plus lead and arsenic, in one kit.

54 analytesColiform / E. coliLeadNitrate

WaterCheck Standard Well Test (National Testing Laboratories)

Mail-in lab test (private well)

Well owners who want a NELAP-accredited lab and a broad panel including VOCs.

87 analytesColiform / E. coliLead47 VOCs

Safe Home DIY Lead in Drinking Water Test

At-home lead test (results in minutes)

A cheap first check for dissolved lead, with an optional lab follow-up.

LeadReads 0–4, 5–15, 15+ ppb

Faucet-mount filters

PUR Plus faucet mount (PFM400H / FM-3700B)

Faucet-mount filter

Renters who want certified lead reduction in two minutes with no tools.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Brita Complete faucet mount (FF-100, FR-200 filter)

Faucet-mount filter

Strong lead reduction from a faucet filter with a filter-life light.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Shower filters

Jolie Filtered Showerhead

Filtered showerhead (replaces your shower head)

The best-known shower filter that's actually listed by NSF for chlorine reduction.

NSF/ANSI 177NSF/ANSI 372

Weddell Duo Filtered Showerhead (WD-100)

Filtered showerhead

Long filter life: NSF lists it for chlorine reduction over 10,000 gallons.

NSF/ANSI 177

WaterChef SF-7C Shower Filter

Filtered showerhead

A budget pick certified for chlorine reduction by IAPMO.

NSF/ANSI 177

Refrigerator filters

EveryDrop Filter 1 (EDR1RXD1)

Refrigerator filter for Whirlpool, Maytag, KitchenAid and Amana

The genuine filter for many Whirlpool-family fridges, NSF-listed for lead.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401

Samsung HAF-QIN filter

Refrigerator filter for many recent Samsung fridges

Samsung owners who want the genuine, NSF-listed lead-reducing filter.

NSF/ANSI 53NSF/ANSI 401

GE XWFE filter

Refrigerator filter for many GE fridges

The fridge filter with a PFAS certification: lead and PFOA/PFOS in one.

NSF/ANSI 53NSF/ANSI 42NSF/ANSI 401NSF/ANSI P473

Waterdrop WDP-series fridge filters

Compatible refrigerator filters for LG, Samsung, GE, Frigidaire and more

A cheaper compatible filter that's still NSF-listed for lead, if you buy the WDP or WDS version.

NSF/ANSI 53NSF/ANSI 42

Not sure what you need? Start with your water quality report, then pick the smallest filter certified for what's in your water.