Reverse Osmosis Water Systems For A Quality Life.

35 gallons per day TFC membrane for Hydrotech Reverse Osmosis models F-HTF-35, 101 Series, 102 Series, 1240 E, M, and Pro series, HT, and HTF. This is an excellent quality original factory replacement and is also referred to as part # S-FS-11. Change every 3 years to maintain clean, healthy, and great tasting water.