Rainsoft Ultrefiner UF22 Three Stage RO System

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If your Rainsoft Ultrefiner UF22 RO System is due for filter replacements, we carry high quality generic filters and filter replacement bundles for this system. The Rainsoft Ultrefiner UF22 RO system was used prior to 2013 and allowed for generic replacement filters. The Ultrefiner UF22 features 3 stages with a 5 micron carbon block pre-filter, a 22 GPD TFC membrane, and another 5 micron carbon block as a post filter. This 3-stage RO system uses a carbon block pre-filter to reduce sediment, chlorine, and chlorine by-products before the membrane filters out impurities larger than .001 microns. The carbon block post filter treats for taste and odor.

 

Note: If your Rainsoft reverse osmosis system is from 2013 or newer, it most likely is the Ultrefiner II. The Ultrefiner II requires proprietary filters that must be purchased from a Rainsoft dealer. Conversion kits to generic non-OEM replacement filters are available.

 

STAGES

  • STAGE 1 – Carbon Block Pre-Filter (OMB934-5m - Rainsoft Part#: 18557 or 9557) – Replace Every 12 Months
  • STAGE 2 – RO Membrane TFC 22 GPD (TFC-RS9-22 - Rainsoft Part#: 12448, 9568, 13018, 9596, 17374, 21176, or M-T1810R24) – Replace Every 24 Months
  • STAGE 3 – Carbon Block Post Filter (OMB934-5m - Rainsoft Part# 18557 or 9557) – Replace Every 12 Months

PDF iconRainSoft Ultrefiner System Manual