Rainsoft Water Filters
Select your Rainsoft water filtration system, water filter, or reverse osmosis membrane below to find compatible replacement filters. Email
customerservice@waterfilters.net if you need help finding your Rainsoft water filters.
Reverse Osmosis Abbreviations:
CTA = Cellulose Tri-Acetate - The membrane is chlorine tolerant.
TFC = Thin Film Composite - The membrane is NOT chlorine tolerant but has a higher production capacity. A carbon filter must be installed before the reverse osmosis membrane to reduce chlorine.
GPD = Gallons Per Day - This is the daily maximum reverse osmosis membrane production under ideal conditions.