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Home > Water Filter Brands > Rainsoft Water Filters > UF-50


Rainsoft UF-50 & UF-50T Reverse Osmosis System Water Filters

Rainsoft UF50 & UF50T Ultrefiner RO System and Rainsoft UF-50 & UF-50T Reverse Osmosis Water Filters
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Product Code: UF-50
  • Rainsoft Ultrefiner UF50 & UF50T Reverse Osmosis System Replacement Water Filters:
  • We distribute compatible water filters for the Rainsoft UF-50 & UF-50T Ultrefiner Reverse Osmosis System.
  • The Rainsoft UF-50, UF50, UF-50T, UF50T UF50T-CBV, UF50TCBV, UF50T-CBVOC, UF50TCBVOC, UF-50N, UF50N, UF50NCBVOC, & UF50N-CBVOC RO Systems have three separate filtration stages.Some Rainsoft systems have an optional 4th stage inline carbon water filter.
  • Rainsoft UF50 & UF50T 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-RS9-50 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 UF50 & UF50T 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 UF50 & UF50T 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.

We distribute compatible filters for the Rainsoft UF-50 & UF-50T Reverse Osmosis System.

Stage 1: EPM-10
Stage 2: TFC-RS9-50
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.

Replacement Filters and Parts or Alternative System for the Above Unavailable Product
Pentek EPM-10 Carbon Block Water Filters (9-3/4 Pentek EPM-10 Carbon Block Water Filters (9-3/4" x 2-7/8")
WaterFilters.NET CBC-10-WF Water Filter WaterFilters.NET CBC-10-WF Water Filter
Rainsoft TFC-RS9-50 Reverse Osmosis Membrane Rainsoft TFC-RS9-50 Reverse Osmosis Membrane
Omnipure CL6ROT33-B GAC Inline Water Filter Omnipure CL6ROT33-B GAC Inline Water Filter
American Plumber, Culligan, Pentek OR-38 O-Ring (3.5 American Plumber, Culligan, Pentek OR-38 O-Ring (3.5" Diameter)
American Plumber, Culligan, Pentek SW-1 Slim Line Housing Wrench American Plumber, Culligan, Pentek SW-1 Slim Line Housing Wrench
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