Rainsoft Ultrefiner UF22 3-Stage RO Compatible Replacement Filters

If your Rainsoft Ultrefiner UF22 RO System is due for filter replacements and your system was manufactured prior to 2013, we offer high-quality compatible filters for this system. The compatible filter kits can be found below on this page.

For UF22 RO systems manufactured after 2013, it’s likely the Ultrefiner II model, which uses costly proprietary filters with few advantages over compatible alternatives.

Alternative Option to Rainsoft Proprietary Filters: To reduce costs, save water, and produce purified water faster, consider converting your Rainsoft system to the PuROTwist Retrofit Kit (PT4000T75-RK). Going forward, this conversion kit allows you to use PuROTwist filters with your existing Rainsoft faucet, tank, and tubing. Start saving on replacement filters today!