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PFAS Filter Guide Read Now
Clean Water Critic

Best Picks

Expert picks matched to your specific situation, your needs, and your budget.

A faucet-mounted water filter dispensing clear water into a glass over a kitchen sink
Faucet water filter Faucet mount filter

Best Faucet Water Filters (2026)

We tested the best faucet water filter options against NSF lead certs, filter life, and cost per gallon. No-plumbing picks that switch between filtered and tap.
A whole house water filter tank installed on the main water line in a home utility room
Whole house water filter Point of entry

Best Whole House Water Filters (2026)

We compared the best whole house water filter systems on flow rate, capacity, and certified chlorine reduction. Point-of-entry picks that protect every tap in your home.
A countertop water filter system sitting on a kitchen counter next to a glass of water
Countertop water filter Reverse osmosis

Best Countertop Water Filters (No Install) (2026)

We compared the best countertop water filters for renters and apartments. Countertop RO and gravity systems that need zero plumbing, ranked by cost per gallon.
Kitchen faucet running water into a sink, illustrating unfiltered tap water that may contain lead
Lead Reverse osmosis

Best Water Filters for Lead Removal (2026)

We compared the best water filters for lead removal against NSF/ANSI 53 lead certification. RO, pitchers, under-sink, and faucet filters that actually capture lead.
A rural home with a private well pump house and a glass of clear water
Well water Whole house water filter

Best Water Filters for Well Water (2026)

We compared the best water filter for well water systems for iron, sulfur, sediment, and bacteria. Whole-house, UV, and RO picks that match what your well test finds.
A chrome shower head running warm water in a bright tiled bathroom
Shower filter Chlorine

Best Shower Filters for Hard Water & Chlorine (2026)

We compared the best shower filter options for chlorine, chloramine, and better skin and hair. KDF-55 picks that work at shower temperatures, plus an honest take on hard water.
A clear water filter pitcher pouring filtered water into a glass on a kitchen counter
Water filter pitcher Brita

Best Water Filter Pitchers (2026)

We ranked the best water filter pitcher options against NSF 42, 53, and 401 certifications and cost per gallon. Brita, ZeroWater, Clearly Filtered, and more.
An open kitchen cabinet showing an under-sink water filter system connected to the cold water line
Under sink water filter Reverse osmosis

Best Under-Sink Water Filters (2026)

We compared the best under sink water filter systems against NSF/ANSI 53 and 58 certifications: carbon-block, ultrafiltration, and reverse osmosis picks that fit real cabinets.
An under-sink reverse osmosis water filtration system with multiple filter stages and a dedicated faucet
Reverse osmosis Under Sink water filter

Best Reverse Osmosis Systems for Home (2026)

We ranked the best reverse osmosis system options for home against NSF/ANSI 58 certifications, GPD output, and waste ratios. Tankless, tank, and countertop picks.
A person holding up a clear glass of filtered drinking water
Pfas Forever chemicals

Best Water Filters for PFAS Removal (2026)

We compared the best water filters for PFAS removal against NSF certifications and EPA limits. Reverse osmosis and certified carbon pitchers that actually remove forever chemicals.