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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. TW30HP-2526 Filmtec Reverse Osmosis Membrane

    TW30HP-2526 Filmtec Reverse Osmosis Membrane

    Fits reverse osmosis membrane housings that require 2.5 x 26-inch membranes Learn More
    $225.99 Retail Price:  $279.99
  3. AG2521TF Desal Commercial Reverse Osmosis Membrane

    AG2521TF Desal Commercial Reverse Osmosis Membrane

    Fits GE Osmonics pressure vessels that accept 2.5-inch x 21-inch membranes Learn More
    $129.99 Retail Price:  $151.79
  4. BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane

    BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane

    Fits industrial reverse osmosis systems that accept 4-inch x 40-inch membranes Learn More
    $265.99 Retail Price:  $324.29
  5. NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99 Retail Price:  $1152.29
  6. SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane

    Fits select seawater reverse osmosis systems Learn More
    $199.99 Retail Price:  $232.29
  7. SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    Fits select seawater reverse osmosis systems Learn More
    $999.99 Retail Price:  $1152.29
  8. TW30-1812-100 Filmtec Reverse Osmosis Membrane

    TW30-1812-100 Filmtec Reverse Osmosis Membrane

    Fits 100 gallon per day reverse osmosis systems from various brands Learn More
    $39.99 Retail Price:  $48.29
  9. TW30-1812-24 Filmtec Reverse Osmosis Membrane

    TW30-1812-24 Filmtec Reverse Osmosis Membrane

    Fits 24 gallon per day reverse osmosis systems from various brands Learn More
    $23.99 Retail Price:  $40.24
  10. TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    Fits 36 gallon per day reverse osmosis systems from various brands Learn More
    $41.99 Retail Price:  $48.29
  11. TW30-1812-50 Filmtec Reverse Osmosis Membrane

    TW30-1812-50 Filmtec Reverse Osmosis Membrane

    Fits 50 gallon per day reverse osmosis systems from various brands Learn More
    $25.99 Retail Price:  $51.74
  12. TW30-1812-75 Filmtec Reverse Osmosis Membrane

    TW30-1812-75 Filmtec Reverse Osmosis Membrane

    Fits 75 gallon per day reverse osmosis systems from various brands Learn More
  13. TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $149.99 Retail Price:  $174.79
  14. TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $177.99 Retail Price:  $203.54
  15. TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $233.99 Retail Price:  $236.34
  16. TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $249.99 Retail Price:  $289.79
  17. TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $275.99 Retail Price:  $312.79
  18. XLE-2521 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    XLE-2521 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $169.99 Retail Price:  $197.79
  19. XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $202.99 Retail Price:  $232.29
  20. XLE-4040 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    XLE-4040 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

    Fits select commercial reverse osmosis systems Learn More
    $285.99 Retail Price:  $324.29

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