8 best water filters — from a $15 hiking straw to a full kitchen RO system · June 2026

If you want the best home filtration money can buy and you're not messing around, this is it. Tankless means no awkward holding tank under the sink, and the all-white body looks like something out of a high-end kitchen renovation. Eight stages of filtration, NSF/ANSI certified. It's an investment — but for a lot of people, this is the last water filter they'll ever buy.

An under-sink filter that actually looks good. The matte black housing doesn't scream 'plumbing fixture' — it's sleek, compact, and stays out of the way. NSF/ANSI 42 and 372 certified, so it handles chlorine, lead, and taste issues without drama. Strong value for what it does.

The filter that everyone who's ever been on a long trail knows. Clip it to your pack, dip it in a stream, drink. That's it. At this price it's a no-brainer to keep one in a go-bag or emergency kit, even if the closest 'wilderness' you visit is a city park.

Brita's big one — 27 cups of filtered water ready to go at any moment. The BritaPlus filter is the upgraded version, targeting more contaminants than the standard. The dark colorway gives it a surprisingly premium feel for a plastic pitcher. Ideal for households that go through water fast.

Same solid 27-cup Brita dispenser, standard filter instead of BritaPlus. If you don't need the extra filtration step, this saves you a few dollars and still delivers the same reliable Brita experience in a good-looking black body. WQA certified and plenty big enough for a busy family.

This is the pitcher you buy after you've actually looked up your local water quality report and felt uneasy about what you read. It targets over 365 contaminants — including PFAS, fluoride, and heavy metals — which puts it in a completely different category from most pitchers. NSF certified, 80 oz capacity, and built for people who take their water seriously.

A full reverse osmosis setup that's stood the test of time and still gets recommended constantly. Six stages including alkaline remineralization, so it adds beneficial minerals back instead of leaving you with flat-tasting stripped water. Comes with its own dedicated faucet and tank. NSF certified. This is where a lot of people land after doing real research.

If your Samsung fridge has a water or ice dispenser, these are the filters to buy — full stop. Genuine Samsung, not third-party, NSF certified, 2-pack. Reduces 99% of harmful contaminants and fits perfectly. Sometimes the right answer is just buying the real thing.