Find the Right Water Filter for Your Home
Filtered Water Wise is a research-based guide to home water filters, softeners and purifiers. We compare certifications, manufacturer specs and recurring owner feedback so you can choose with confidence. How we review.
Browse by topic
Water Filter Reviews
Reverse osmosis, under sink, countertop and gravity filters, plus replacement cartridges.
Water Softeners
Salt-based and salt-free softeners, softener salt and resin cleaners, sizing and upkeep.
Shower Filters
Shower head and bath filters: vitamin C, KDF and carbon cartridges, fit and upkeep.
Whole House
Multi-stage whole house filter systems, iron filters and softener bundles.
Water Filter FAQs
Plain answers to the questions buyers ask most.
Water & Health
Soft water, filtered water and what they mean for drinking.
Start here
New to water filtration? These guides explain the basics before you compare products.
What Is the Best Type of Water Filtration System for a Home?
How the main filter types compare, and which suits your water.
Is Whole House Water Filtration Worth It?
When a point-of-entry system makes sense, and when it doesn’t.
Are Water Softeners Worth the Expense?
What a softener does for hard water, and the trade-offs.
Is There a Water Filter That Removes Forever Chemicals?
Which filter types and certifications to look for to reduce PFAS.
What Do Water Filters Not Remove?
The limits of common filters, so you know what to expect.
Which Is Better: Purified or Filtered Water?
The difference between purification and filtration explained.
Latest reviews
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Best Water Filter Pitchers: Certified vs Maker-Claimed Lead, PFAS and Chlorine Reduction
Five water filter pitchers compared on what’s certified (and by whom), how often the filters need changing, and who each one suits.
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Best Under-Sink Reverse Osmosis Systems, Compared by Certification
Six under-sink RO systems compared on what’s actually certified (NSF/ANSI 58, 53, PFAS), tank vs tankless, running costs and installation.
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Best Water Softeners for Every Home Size and Water Type
Seven water softeners matched to home size and water type, with what’s actually certified to NSF/ANSI 44, how to size one, and what it costs…
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Fleck 5600SXT 48,000-Grain Water Softener Review: Sizing, Salt Settings and Certification
Fleck 5600SXT 48k softener: how to size it for your hardness, real capacity at each salt setting, what’s certified, upkeep and when to choose the…
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Cobbe Filtered Shower Head with Handheld review
An overview of the Cobbe handheld filtered shower head, covering its six spray modes, filter media, chlorine-reduction claims and setup.
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Filtered Shower Head Handheld High Pressure 9-Spray Review
A look at a nine-spray handheld filtered shower head with KDF and vitamin C beads: what it claims for chlorine and hard water, and how…
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