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  • Pentair GRO-50EN Thin Layer Composite Residential RO Membrane (4005459)

    • 50 gallons of purified water per day
    • Designed for residential and small commercial water purification systems

    The Pentair GRO-50EN (4005459) is a 50 gallon per day encapsulated reverse osmosis (RO) membrane used in many residential and small commercial reverse osmosis systems. It is an exceptionally water-efficient membrane typically offering up to 100% water savings compared to conventional membrane technologies. It accomplishes this while still offering excellent purification performance. It is a “dry packed” membrane to maximize shelf life.

    4005459

    Tech Specs
    • 100% dry membrane
    • Free chlorine 0.1 ppm
    • pH 4-11
    • Maximum pressure 125 PSI (6.90 bar)
    • Max Temp 120°F (49°C)
    • 50 GPD nominal output 
    • Drain flow control not included
    • Permeate check not included
    In the Box
    • 1 x Pentair GRO-50EN Thin Layer Composite Residential RO Membrane (4005459)
    Additional Resources
    Warranty