Best Reverse Osmosis Systems

The strongest home filtration you can buy.

We may earn a commission when you buy through our links, at no extra cost to you. Prices are approximate.

Top pick 9.2

Our top RO pick: fast, tankless, UV sterilizing, smart display.

NSF 42NSF 53NSF 58

~$400 + $110/yrCheck price

#2 9.0

Reverse osmosis without plumbing — ideal for renters.

NSF 42NSF 53NSF 58

~$450 + $120/yrCheck price

Budget pick 8.6

Classic, durable tank RO with cheap replacement filters.

WQA Gold Seal

~$200 + $60/yrCheck price

#4 8.3

Adds minerals back for better taste after RO.

WQA Gold Seal

~$230 + $70/yrCheck price

#5 8.2

Fast countertop RO with hot-water dispenser.

NSF 42NSF 53NSF 58

~$330 + $100/yrCheck price