Best Gravity Water Filter
Gravity filters need no power and no plumbing, but almost none are certified. That finally changed. We compare the certified Culligan MaxClear against Berkey, Boroux, and the rest of the field.
Guides
Best Filters by Type
Every filter format has a job it does best, and one it does badly. These guides break down the main types, from pitchers and under-sink systems to reverse osmosis and whole-house, so you can match the right format to your water and your budget.
8 articles
Latest
Best Filters by Type
Best Gravity Water Filter
Gravity filters need no power and no plumbing, but almost none are certified. That finally changed. We compare the certified Culligan MaxClear against Berkey, Boroux, and the rest of the field.
Best Filters by Type
Best Countertop Water Filters (2026): Reverse Osmosis and Gravity, Tested
A countertop filter gives you strong filtration with no plumbing, but the choice comes down to two very different kinds: certified countertop reverse osmosis, which removes the most but needs an outlet, and no-power gravity filters, which travel anywhere but aren't independently certified. We scored the ones we've reviewed to match the right one to your water.
6 min read
Best Filters by Type
Best Whole-House Water Filters (2026): By Water Type, Tested
A whole-house system treats water at every tap, but there's no single best one, because they solve different problems. City water needs carbon for chlorine and taste, well water needs iron and sulfur removal, and hard water needs softening. We scored the systems we've reviewed and matched each to the water it's actually built for.
6 min read
Best Filters by Type
Best Reverse Osmosis Systems (2026): Countertop and Under-Sink, Tested
Reverse osmosis is the most thorough home filtration there is: the one method that reliably removes fluoride, arsenic, and dissolved solids, along with lead and PFAS. We scored every RO system we've reviewed, countertop and under-sink, to match the right one to your water, not the highest commission.
6 min read
Best Filters by Type
Best Water Filter Pitchers (2026): Tested and Ranked
A filter pitcher is the cheapest, simplest way to improve your water, but a $25 jug and a $99 jug are not doing the same job. We scored every pitcher we've reviewed so you can match the right one to your water, not the loudest marketing.
6 min read
Best Filters by Type
Best Under-Sink Water Filters (2026): Reverse Osmosis and Carbon, Tested
An under-sink filter is the sweet spot for most kitchens: filtered water on demand, hidden in the cabinet, with far more power than a pitcher and none of the whole-house cost. We scored every under-sink system we've reviewed, reverse osmosis and carbon alike, to match the right one to your water, not the highest commission.
7 min read
Best Filters by Type
Best Refrigerator Water Filters (2026): Find Yours, Buy Certified
Find the exact filter your fridge takes, by brand, and learn which genuine and certified aftermarket filters to trust and which to skip.
6 min read
Best Filters by Type
Best Drinking Water Filters (2026): Our Top Picks for Every Home
The best drinking water filter is the one that removes what's actually in your water, at a price that makes sense. We rank pitchers, countertop, under-sink, and whole-house systems on certified performance and real running cost.
6 min read
Best Filters by Type
Every filter format has a job it does best, and one it does badly. These guides break down the main types, from pitchers and under-sink systems to reverse osmosis and whole-house, so you can match the right format to your water and your budget.
Best Countertop Water Filters (2026): Reverse Osmosis and Gravity, Tested
A countertop filter gives you strong filtration with no plumbing, but the choice comes down to two very different kinds: certified countertop reverse osmosis, which removes the most but needs an outlet, and no-power gravity filters, which travel anywhere but aren’t independently certified. We scored the ones we’ve reviewed to match the right one to your water.
Best Whole-House Water Filters (2026): By Water Type, Tested
A whole-house system treats water at every tap, but there’s no single best one, because they solve different problems. City water needs carbon for chlorine and taste, well water needs iron and sulfur removal, and hard water needs softening. We scored the systems we’ve reviewed and matched each to the water it’s actually built for.
Best Reverse Osmosis Systems (2026): Countertop and Under-Sink, Tested
Reverse osmosis is the most thorough home filtration there is: the one method that reliably removes fluoride, arsenic, and dissolved solids, along with lead and PFAS. We scored every RO system we’ve reviewed, countertop and under-sink, to match the right one to your water, not the highest commission.
Best Water Filter Pitchers (2026): Tested and Ranked
A filter pitcher is the cheapest, simplest way to improve your water, but a $25 jug and a $99 jug are not doing the same job. We scored every pitcher we’ve reviewed so you can match the right one to your water, not the loudest marketing.
Best Under-Sink Water Filters (2026): Reverse Osmosis and Carbon, Tested
An under-sink filter is the sweet spot for most kitchens: filtered water on demand, hidden in the cabinet, with far more power than a pitcher and none of the whole-house cost. We scored every under-sink system we’ve reviewed, reverse osmosis and carbon alike, to match the right one to your water, not the highest commission.
Best Refrigerator Water Filters (2026): Find Yours, Buy Certified
Find the exact filter your fridge takes, by brand, and learn which genuine and certified aftermarket filters to trust and which to skip.
Best Drinking Water Filters (2026): Our Top Picks for Every Home
The best drinking water filter is the one that removes what’s actually in your water, at a price that makes sense. We rank pitchers, countertop, under-sink, and whole-house systems on certified performance and real running cost.