The Pentair 4002575 GRO-75EN High Efficiency is an innovative next-generation RO Membrane using Thin Layer Composite technology (TLC) to provide enhanced water recovery in an encapsulated membrane. Where traditional RO membranes have a 3:1 ratio of 3 gallons of waste water to every gallon of purified water, the GRO-36EN new technology allows for a 1:1 ratio of 1 gallon of waste water to every gallon of purified water; making it more water and energy efficient. Less wastewater down the drain for the same amount of purified water means saving you money and the environment with the same great results! The Pentair 4002575 GRO-75EN model RO membrane includes a permeate check valve, a 96% rejection rate, 1/4" quick connect fittings, and is 2.5 inches wide by 15.14 inches long with a production rate of 75 gallons per day.
"The Pentair GRO-75EN 1:1 RO Membrane was the exact OEM replacement for my RO system. The esp water representative was very helpful. The RO membrane arrived quickly along with other replacement filters that were ordered. The RO membrane was easy to replace and works as described."
— Brian H. (5/5)
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Overall rating: 5.0 / 5 from 1 reviews.
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Pentair GRO-75EN 1:1 RO Membrane Review
"The Pentair GRO-75EN 1:1 RO Membrane was the exact OEM replacement for my RO system. The esp water representative was very helpful. The RO membrane arrived quickly along with other replacement filters that were ordered. The RO membrane was easy to replace and works as described."
— Brian H. (5/5)
Q&A
Pentair GRO-75EN 1:1 RO Membrane 75 GPD 4002575 - No Flow Control