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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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  1. BW60-1812-75 Filmtec Reverse Osmosis Membrane

    BW60-1812-75 Filmtec Reverse Osmosis Membrane

    Fits reverse osmosis systems from various brands Learn More
    $44.99 Retail Price:  $47.34
  2. 200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane

    200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane

    Fits standard size 12 x 2 inch RO membrane housings Learn More
    $43.99 Retail Price:  $59.99
  3. 4002573/GRO-36EN Pentair GPD Encapsulated Membrane

    4002573/GRO-36EN Pentair GPD Encapsulated Membrane

    Used in most conventional units Learn More
    $74.99 Retail Price:  $92.99
  4. 4002574/GRO-50EN Pentair GPD Encapsulated Membrane
  5. 4002575/GRO-75EN Pentair GPD Encapsulated Membrane

    4002575/GRO-75EN Pentair GPD Encapsulated Membrane

    Used in most conventional units Learn More
    $74.99 Retail Price:  $92.99
  6. Axeon 200359 Reverse Osmosis Membrane

    Axeon 200359 Reverse Osmosis Membrane

    Standard size 1.75 inch diameter by 11.75 inch length, fits any common RO membrane housings Learn More
    $34.99 Retail Price:  $36.79
  7. Axeon 200361 Reverse Osmosis Membrane

    Axeon 200361 Reverse Osmosis Membrane

    Standard size 1.75 inch diameter by 11.75 inch length, fits any common RO membrane housings Learn More
    $39.99 Retail Price:  $48.29
  8. ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    Fits select Pentek, Culligan, Ametek, American Plumber, USFilter and other brands of reverse osmosis systems Learn More
    $75.99 Retail Price:  $86.93
  9. WHEERM Whirlpool UltraEase Reverse Osmosis Membrane

    WHEERM Whirlpool UltraEase Reverse Osmosis Membrane

    Fits Whirlpool WHER25 reverse osmosis water filtration systems Learn More
    $58.99 Retail Price:  $70.14
  10. TFM-36-EB Desal Reverse Osmosis Membrane

    TFM-36-EB Desal Reverse Osmosis Membrane

    Fits Desal reverse osmosis systems that use part #'s 1220549, TFM-36-EB and TFM-36-EN Learn More
    $52.99 Retail Price:  $79.34
  11. TFM-18-EB Desal Reverse Osmosis Membrane

    TFM-18-EB Desal Reverse Osmosis Membrane

    Fits Desal reverse osmosis systems that use part #'s 1220545, TFM-18-EB, TFM-18-EN Learn More
    $59.99 Retail Price:  $71.29
  12. WHER25 Whirlpool Reverse Osmosis Undersink Water Filtration System

    WHER25 Whirlpool Reverse Osmosis Undersink Water Filtration System

    Fits and installs easily beneath standard sized sinks Learn More
    $199.99 Retail Price:  $232.29

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