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  • Pentair GRO-36EN Thin Layer Composite Residential RO Membrane (4005458)

    • Daily Production: 36 gallons of purified water per day
    • Works with both Pentair GRO and conventional RO systems

    The Pentair GRO-36EN (4005458) is a high-efficiency reverse osmosis membrane that produces 36 gallons of purified water per day, making it ideal for residential and small commercial systems. This membrane achieves up to 100% water savings compared to traditional technologies while maintaining excellent purification performance. Its "dry packed" design maximizes shelf life, ensuring durability. The GRO-36EN is compatible with both Pentair GRO systems and conventional RO systems, utilizing Thin Layer Composite (TLC) technology for a 1:1 wastewater-to-purified water ratio, which significantly reduces waste. With a 96% contaminant rejection rate, this membrane effectively removes impurities from water. Retrofit instructions are available for easy installation in non-GRO RO systems.

    4005458

    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)
    • 36 GPD nominal output 
    • Drain flow control not included
    • Permeate check valve not included
    In the Box
    • 1 x Pentair GRO-36EN Thin Layer Composite Residential RO Membrane (4005458)
    Additional Resources
    Warranty