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  • Pentair GRO-350B 50 GPD Membrane (655121-96)

    • 50 GPD
    • This membrane should be replaced every 12-24 months. 

    Pentair 655121-96 is a replacement membrane for Pentair RO systems GRO-350B.

    655121-96

    Tech Specs
    • 50 GPD Membrane 
    In The Box
    • 1 x 50 Grains Per Day Membrane (655121-96)
    Additional Resources
    Warranty