Thin Film Reverse Osmosis Filter Membranes

Dow/Filmtec Thin Film Composite Membranes are common replacements for a wide variety of Reverse Osmosis Systems. Spiral wound, thin film composite membranes offer better rejection of dissolved solids, can operate at lower pressures and produce more water faster than other types of membrane construction. Rejection rates of 99% are standard.

Available in Tap Water (Treated water supply), Brackish Water (Untreated ground or surface water supply) and Seawater models. For tap water applications, Chlorine filters should be used prior to the membrane for increased life. Contact us for options.

Extra Low (XLE) and Low Energy (LE) membranes can operate at lower input pressures than standard membranes.

Membrane performance is greatly affected by water temperature. Flow rates shown are based on 77 F. input water temperature. Example: (50 F. input temperature can reduce flow rates as much as 40%). Higher input temperatures will increase flow. Production rates are based on a 24 hour day.

All membranes are rated to 113 F. Tap Water and Brackish Water models are rated to 600 PSI. Seawater models are rated to 800 PSI. Sizes are either 2-1/2" x 4" O.D. x length.
Part No. Description Wt. Mfg. Price Qty. Status Pkg. Discount
EPETT06 Thin Film Reverse Osmosis Filter Membrane, Tap Water, 2-1/2" x 14", 200 GPD @ 225 PSI 0.00 lbs. Filmtec Filters $139.50 Usually Ships within 3 Weeks
EPETT07 Thin Film Reverse Osmosis Filter Membrane, Tap Water, 2-1/2" x 21", 325 GPD @ 225 PSI 0.00 lbs. Filmtec Filters $157.50 In Stock
EPETT08 Thin Film Reverse Osmosis Filter Membrane, Tap Water, 2-1/2" x 40", 850 GPD @ 225 PSI 0.04 lbs. Filmtec Filters $169.00 In Stock
EPETT10 Thin Film Reverse Osmosis Filter Membrane, Tap Water, 4" x 21", 900 GPD @ 225 PSI 0.00 lbs. Filmtec Filters $259.00 In Stock
EPETT11 Thin Film Reverse Osmosis Filter Membrane, Tap Water, 4" x 40", 2400 GPD @ 225 PSI 4.80 lbs. Filmtec Filters $261.00 In Stock
EPXLE2540 Thin Film Reverse Osmosis Filter Membrane, * Tap Water, 2-1/2" x 40", 850 GPD @ 100 PSI 0.00 lbs. Filmtec Filters $187.00 In Stock
EPXLE4021 Thin Film Reverse Osmosis Filter Membrane,* Tap Water, 4" x 21", 1025 GPD @ 100 PSI 0.00 lbs. Filmtec Filters $235.00 Usually Ships Within 2 Weeks
EPXLE4040 Thin Film Reverse Osmosis Filter Membrane, * Tap Water, 4" x 40", 2600 GPD @ 100 PSI 0.00 lbs. Filmtec Filters $276.00 In Stock
EPLE4040 Thin Film Reverse Osmosis Filter Membrane,* Tap Water, 4" x 40", 2500 GPD @ 100 PSI 0.00 lbs. Filmtec Filters $269.00 Usually Ships within 3 Weeks
EPBW2540 Thin Film Reverse Osmosis Filter Membrane, Brackish, 2-1/2" x 40", 850 GPD @ 225 PSI 0.00 lbs. Filmtec Filters $197.50 Call
EPBW4040 Thin Film Reverse Osmosis Filter Membrane, Brackish, 4" x 40", 2400 GPD @ 225 PSI 0.00 lbs. Filmtec Filters $268.00 Call
EPSW302540 Thin Film Reverse Osmosis Filter Membrane, Seawater, 2-1/2" x 40", 700 GPD @ 800 PSI 0.00 lbs. Filmtec Filters $195.00 Call
EPSW304040 Thin Film Reverse Osmosis Filter Membrane, Seawater, 4" x 40", 1950 GPD @ 800 PSI 0.00 lbs. Filmtec Filters $575.00 Call
Notes:
*Low Energy Membranes.

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