Rainsoft TFC-RS9-22 Reverse Osmosis Membrane

Superior performing Rainsoft Ultrefiner compatible RO membrane 22 gallons per day. Replaces part # 12448, 13018, 17374.Excellent forsystem model # 9564, 9596, 9596N, 9568, 21176, UF20, UF22T, UF22T-CB, and UF22N-CB. Usually lasts 3-4 years depending on water usage/quality. Manufactured in the USA. Great Value!