Commercial Reverse Osmosis Membrane - 2.5" x 21"

The 2.5" x 21" reverse osmosis membrane is designed for most water filtration systems and offers exceptional performance and results. These seamless body RO housings accommodate standard 2.5" membranes and withstand pressures up to 250 PSI.

The HF4 replaces the Filmtec 3011-33-000, producing 400 gallons per day.
The HR3 replaces the Desal D25-250S, producing 250 gallons per day.