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  • $341.76 - $341.76
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    4" x 40" Nanofiltration Membrane | NF 50| 50% Salt Rejection

    M-N4040A5
    In Stock for Immediate Shipment

    4" x 40" Nanofiltration Membrane | NF5 - 50% Salt Rejection | 97% Hardness Rejection NF5 spiral wound nanofiltration elements are ideal for remo...

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    $341.76 - $341.76
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    $341.76
  • $347.28 - $347.28
    $347.28
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    $347.28

    4" x 40" Nanofiltration Membrane | NF 90| 90% Salt Rejection

    M-N4040A9
    In Stock for Immediate Shipment

    4" x 40" Nanofiltration Membrane | NF9 - 90% Salt Rejection | 97% Hardness Rejection Applied Membranes NF9 spiral wound nanofiltration elements ...

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  • $370.43 - $370.43
    $370.43
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    $370.43

    4" x 40" | 2000 GPD | 150 psi | 99.6% Rej. | Hydranautics ESPA Low Pressure Membrane (Replaces ESPA2-4040)

    ESPA2-LD-4040
    Ships in 7 days

    Hydranautics ESPA Series RO Membrane ElementsESPA2-LD-4040 Ultra-Low Energy 4" x 40" Reverse Osmosis Membrane Element Hydranautics ESPA2-LD-4040 ...

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  • $489.50 - $489.50
    $489.50
    $489.50 - $489.50
    $489.50

    4"x40" | 97% Salt Rejection | 2,000 GPD | FilmTec NF90 Element

    NF90-4040
    In Stock for Immediate Shipment

    DOW FILMTEC™ NF90-4040 Nanofiltration (NF) Membrane Elements for Commercial Systems The DOW FILMTEC NF90-4040 membrane elements provide high p...

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    $489.50 - $489.50
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