- Rainsoft Ultrefiner UF20 Reverse Osmosis System Replacement Water Filters:
- We distribute compatible water filters for the Rainsoft UF-20 Ultrefiner Reverse Osmosis System.
- The Rainsoft UF-20 RO System has three separate filtration stages. Some Rainsoft systems have an optional 4th stage inline carbon water filter.
We distribute compatible filters for the Rainsoft UF-20 Reverse Osmosis System.
Stage 1:
EPM-10 Stage 2:
TFC-RS9-22 Stage 3:
CBC-10 Stage 4 (Optional):
CL6ROT33-B See the Replacements tab above for more information on each stage and the compatible filters for each stage.
These filters can be purchased below.
- Manufacturer: Rainsoft UF-20
- Rainsoft UF20 Reverse Osmosis System Stages:
- Stage 1: The EPM-10 10 Micron Carbon Block Water Filter is used in the first housing. The Stage 1 filter should be changed every 6-12 months. Rainsoft Part # 9757, 18557 & 17368 Compatible.
- Stage 2: The TFC-RS9-22 reverse osmosis membrane is the 2nd stage. The Stage 2 membrane should be changed every 1-3 years. Rainsoft Part # 9568, 21176, 12448, 17374 Compatible.
- Stage 3: The CBC-10 0.5 Micron Carbon Block water filter is the 3rd stage. The Stage 3 filter should be changed every 6-12 months. Rainsoft Part # 18773 Compatible.
- Stage 4 (Optional): Some systems have the CL6ROT33-B inline filter as a 4th stage. The Stage 4 inline filter should be changed every 6-12 months. Rainsoft Part # 9798 & 17369 Compatible.
- Rainsoft UF20 Reverse Osmosis System Parts & Accessories:
- Order the OR-38 replacement o-rings for the three slim line reverse osmosis housing sumps.
- Order the SW-1 wrench to use when unscrewing the housings.
- Rainsoft UF20 Water Filter Change Intervals:
- The filter change interval will vary due to your water quality and the amount of water used.
We are not authorized to sell the genuine Rainsoft filters, but we sell compatible Rainsoft filters. Note that you can only use genuine Rainsoft filters in your system in order to maintain the original manufacturer's warranty.
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