Best Water Filters for Home

I like this one for how much it does without any installation. It is a countertop reverse osmosis purifier with UV-C. It plugs in and sits on the counter, so there is nothing to fit under the sink.

Its 4-stage purification runs through a pre-filter and carbon stage, an RO membrane, and a VOC carbon stage. The UV-C stays on at all times. The brand lists it as removing PFAS, lead, microplastics, chlorine and chloramine, VOCs, and bacteria. It claims up to 99.9% reduction of microplastics, with third-party SGS testing noted. It also has instant hot water up to 201°F, an auto-fill glass pitcher, and a real-time water quality display. That makes it feel like a full water station rather than just a filter.

Good if you want a countertop system with hot water on demand and no installation. Try first if you like the idea of filtered water plus instant hot water in one appliance. One thing to plan for: the pre/carbon and VOC carbon filters run on a 6–12 month cycle. The RO filter also runs on a 24-month cycle. An optional filter subscription is available.

I included this one for households that want a more permanent, under-sink setup. It is an under-sink reverse osmosis system with NSF/ANSI 58 certification. It removes up to 99% of contaminants, including heavy metals, chemicals, and total dissolved solids.

Its stages start with a sediment filter and granular activated carbon. Then a 50 GPD RO membrane and polishing carbon do the fine filtering. An inline charcoal and calcite stage adds minerals back. It holds filtered water in a 3-gallon storage tank. It needs no electricity. The design suits DIY installation, with no professional help needed. Filter changes are tool-free. Finally, filters arrive every 12 months on subscription, and it carries a lifetime warranty.

Good if you want a dedicated under-sink system and are comfortable with a DIY install. Try first if you want remineralized water from an RO system and a larger stored supply on tap.

I like this one for how straightforward it is: a gravity-fed pitcher that needs no installation at all. It uses Affinity Filtration Technology across three stages. The first is a screening layer, followed by proprietary advanced medias. The brand lists it as removing up to 99.99% of 386+ contaminants. That includes fluoride at over 99.54% and lead at 99.34%. PFAS/PFOA/PFOS removal runs over 99% and up to over 99.5%. Microplastics removal runs over 99.99%. It also covers chlorine, arsenic, chromium 6, nitrate, and HAA5/TTHMs.

It carries NSF certification to NSF/ANSI 42 and 372. It holds 80 oz (10 cups). The pitcher itself is BPA/BPS-free medical-grade Tritan. The box includes one pitcher, four replacement filters, and two priming bags. Each filter lasts about 100 gallons, roughly three months for an average family.

Good if you want a no-installation pitcher with broad contaminant coverage. Try first if you want the simplest setup on this list. Still, plan on changing a filter about every three months.

I included this one as a larger pitcher option. It is a 10-cup pitcher with a space-efficient design that fits on refrigerator shelves. The pitcher uses medical-grade Tritan. The brand lists it as BPA/BPS-free. The White & Bamboo version has a bamboo handle.

The Pure filter produces up to 150 gallons of purified water. Filters last around 3–4 months depending on use, according to the brand. The brand claims it removes up to 99.9% of tap water contaminants, including fluoride, lead, chlorine, PFAS, microplastics, and heavy metals. Published removal figures include fluoride at 97.8%, PFAS at 99.6%, lead at 99.94%, chromium 6 at 99.2%, and microplastics at 99.62%. The Pure and Nano filters are interchangeable, so you can switch filter types in the same pitcher.

Good if you want a bigger pitcher with a longer filter life between changes. Try first if a 10-cup capacity suits your household better than a smaller pitcher.

I included this one as the smaller pitcher on this list. It is a 7-cup, patented 5-stage ion exchange pitcher. The brand claims it removes 99.6% of total dissolved solids (TDS).

IAPMO certified it to NSF/ANSI standards 42 and 53 for reduction of lead, chromium, PFOA/PFOS, and mercury. Its Ready-Pour design has a sealed lid and reservoir. You can pour already-filtered water while the reservoir is still filtering. Its 7-cup total capacity breaks down as a 6-cup pitcher plus 1 cup in the reservoir. The first filtration layer, activated carbon and oxidation reduction alloy, removes chlorine taste. The ion exchange stage removes dissolved solids such as aluminum, lead, zinc, and nitrate.

Good if you want a compact pitcher and care about the specific certifications listed for it. Try first if a 7-cup size is enough for your household. It suits you if you prefer a pitcher over a countertop or under-sink system.

I included this one for a countertop option that does not need plumbing. It is a carafe-style countertop purifier with a patented 4-stage Ultra Reverse Osmosis system. IAPMO tested and certified it to NSF standards to remove 84 contaminants, including lead, chlorine, microplastics, and PFOA/PFOS.

It has a 64 oz borosilicate glass carafe. The compact design suits smaller households. No installation or plumbing is needed. A standard 120-volt AC wall plug powers it. The final stage is a coconut-shell carbon block (VOC carbon) filter. It targets volatile organic compounds. The Alkaline Mineral Boost filter option adds calcium and magnesium after purification. Note that the Carafe uses its own unique filters, different from other AquaTru models.

Good if you want countertop reverse osmosis without plumbing work. Try first if you want an alkaline, mineral-adding carafe system rather than a pitcher or an under-sink install.