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4" RO Membrane

We can special order from many different suppliers if you cannot find what you are looking for. Please send us an email at info@onlinewaterparts.com and a dedicated account manager will assist you in finding the correct parts for your equipment.

  • LCLE4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

    $340.00 - $340.00
    $340.00
    $340.00 - $340.00
    $340.00
    In stock

    4" x 40" Dow Filmtec RO membrane element. Large commercial, Low energy. 2,900 GPD flowrate. 99.5% nominal rejection.

    $340.00 - $340.00
    $340.00
    $340.00 - $340.00
    $340.00

  • BW30-4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

    $320.00 - $320.00
    $320.00
    $320.00 - $320.00
    $320.00
    In stock

    4" x 40" Dow Filmtec RO membrane element. 2,400 GPD flowrate. 99.5% nominal rejection.

    $320.00 - $320.00
    $320.00
    $320.00 - $320.00
    $320.00

  • CPA2-4040 - 4" x 40" Reverse Osmosis Membrane Element Hydranautics Membrane

    $323.00 - $323.00
    $323.00
    $323.00 - $323.00
    $323.00
    In stock

    4" x 40" Hydranautics reverse osmosis membrane element. 2,250 GPD flowrate. 99.3% nominal rejection. 225 test pressure.

    $323.00 - $323.00
    $323.00
    $323.00 - $323.00
    $323.00

  • XLE-4021 - 4" x 21" Reverse Osmosis Membrane Element Filmtec Membrane

    $404.00 - $404.00
    $404.00
    $404.00 - $404.00
    $404.00
    In stock

    4" x 21" Dow Filmtec RO membrane element. 1,025 GPD flowrate. 99% nominal rejection.

    $404.00 - $404.00
    $404.00
    $404.00 - $404.00
    $404.00

  • LCHR-4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

    $332.00 - $332.00
    $332.00
    $332.00 - $332.00
    $332.00
    In stock

    4" x 40" Dow Filmtec RO membrane element. Large commercial, Low energy. 2,500 GPD flowrate. 99.1% nominal rejection.

    $332.00 - $332.00
    $332.00
    $332.00 - $332.00
    $332.00

  • RE4040-BE - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

    $247.00 - $247.00
    $247.00
    $247.00 - $247.00
    $247.00
    In stock

    4" x 40" Dow Filmtec RO membrane element. 2,400 GPD flowrate. 99.7% nominal rejection.

    $247.00 - $247.00
    $247.00
    $247.00 - $247.00
    $247.00

  • RO4040-FF - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

    $676.00 - $676.00
    $676.00
    $676.00 - $676.00
    $676.00
    In stock

    4" x 40" Dow Filmtec RO membrane element. Full Fit. 2,400 GPD flowrate. Stabilized Salt Rejection 99.5%.

    $676.00 - $676.00
    $676.00
    $676.00 - $676.00
    $676.00

  • XLE-4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

    $404.00 - $404.00
    $404.00
    $404.00 - $404.00
    $404.00
    In stock

    4" x 40" Dow Filmtec RO membrane element. 2,600 GPD flowrate. Stabilized Salt Rejection 99.0%

    $404.00 - $404.00
    $404.00
    $404.00 - $404.00
    $404.00