Discount Water Filters and Air Filters at Discount Filter Store.com

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  • Our products are price match guaranteed!
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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.

Items 1 to 48 of 112 total

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  • 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    $173.39
    MSRP: $238.99
    Save 27%
  • BW60-1812-75 Filmtec Reverse Osmosis Membrane

    BW60-1812-75 Filmtec Reverse Osmosis Membrane

    $48.09
    MSRP: $62.99
    Save 24%
  • 200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane
  • 208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    208083 Axeon HF5-2521 Commercial Reverse Osmosis Membrane

    $119.99
    MSRP: $143.99
    Save 17%
  • 208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    $199.99
    MSRP: $259.99
    Save 23%
  • 208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    208125 Axeon HF5-2514 Commercial Reverse Osmosis Membrane

    $109.99
    MSRP: $130.99
    Save 16%
  • Axeon TF-3012-500 Reverse Osmosis Membrane

    Axeon TF-3012-500 Reverse Osmosis Membrane

    $122.99
    MSRP: $161.99
    Save 24%
  • TW30HP-2526 Filmtec Reverse Osmosis Membrane
  • Brondell RF-40 H2O+ Circle Replacement Membrane Filter

    Brondell RF-40 H2O+ Circle Replacement Membrane Filter

    $96.29
    MSRP: $115.99
    Save 17%
  • 3M Aqua-Pure RM-TFC Reverse Osmosis Membrane

    RM-TFC 3M Aqua-Pure Reverse Osmosis Membrane

    $137.05
    MSRP: $232.29
    Save 41%
  • Axeon 200359 Reverse Osmosis Membrane

    Axeon 200359 Reverse Osmosis Membrane

    $34.99
    MSRP: $36.79
    Save 5%
  • Axeon 200361 Reverse Osmosis Membrane

    Axeon 200361 Reverse Osmosis Membrane

    $38.99
    MSRP: $48.99
    Save 20%
  • Axeon 200387 Reverse Osmosis Membrane

    Axeon 200387 Reverse Osmosis Membrane

    $98.99
    MSRP: $128.79
    Save 23%
  • WROM-230T American Plumber Reverse Osmosis Replacement Membrane
  • WROM-230TN American Plumber Reverse Osmosis Replacement Membrane
  • 3M Aqua-Pure AP5500RM Reverse Osmosis Membrane

    AP5500RM 3M Aqua-Pure Reverse Osmosis Membrane

    $107.99
    MSRP: $200.00
    Save 46%
  • AG2521TF Desal Commercial Reverse Osmosis Membrane

    AG2521TF Desal Commercial Reverse Osmosis Membrane

    $139.09
    MSRP: $203.99
    Save 32%
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99
    MSRP: $226.54
    Save 3%
  • AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    $232.99
    MSRP: $270.24
    Save 14%
  • AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    $319.99
    MSRP: $370.29
    Save 14%
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99
    MSRP: $381.79
    Save 14%
  • PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    $999.99
    MSRP: $1,152.29
    Save 13%
  • RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    $449.99
    MSRP: $519.79
    Save 13%
  • TFM-100 Desal Reverse Osmosis Membrane

    TFM-100 Desal Reverse Osmosis Membrane

    $29.99
    MSRP: $32.19
    Save 7%
  • TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    $57.99
    MSRP: $68.99
    Save 16%
  • TFM-18 Desal Reverse Osmosis Membrane

    TFM-18 Desal Reverse Osmosis Membrane

    $33.99
    MSRP: $39.09
    Save 13%
  • TFM-24 Desal Reverse Osmosis Membrane

    TFM-24 Desal Reverse Osmosis Membrane

    $24.99
    MSRP: $47.14
    Save 47%
  • TFM-36 Desal Reverse Osmosis Membrane

    TFM-36 Desal Reverse Osmosis Membrane

    $39.99
    MSRP: $49.44
    Save 19%
  • TFM-50 Desal Reverse Osmosis Membrane

    TFM-50 Desal Reverse Osmosis Membrane

    $36.39
    MSRP: $48.99
    Save 26%
  • TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    $69.99
    MSRP: $82.79
    Save 15%
  • TFM-75 Desal Reverse Osmosis Membrane

    TFM-75 Desal Reverse Osmosis Membrane

    $46.99
    MSRP: $56.34
    Save 17%
  • TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    $53.49
    MSRP: $114.99
    Save 53%
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane
  • NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99
    MSRP: $1,152.29
    Save 13%
  • SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    $999.99
    MSRP: $1,152.29
    Save 13%
  • TW30-1812-100 Filmtec Reverse Osmosis Membrane

    TW30-1812-100 Filmtec Reverse Osmosis Membrane (100GPD)

    $39.99
    MSRP: $48.29
    Save 17%
  • TW30-1812-24 Filmtec Reverse Osmosis Membrane

    TW30-1812-24 Filmtec Reverse Osmosis Membrane

    $23.99
    MSRP: $40.24
    Save 40%
  • TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    $44.89
    MSRP: $62.99
    Save 29%
  • TW30-1812-50 Filmtec Reverse Osmosis Membrane

    TW30-1812-50 Filmtec Reverse Osmosis Membrane (50 GPD)

    $25.99
    MSRP: $51.74
    Save 50%
  • TW30-1812-75 Filmtec Reverse Osmosis Membrane
  • TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    $160.49
    MSRP: $239.99
    Save 33%
  • TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    $190.49
    MSRP: $277.99
    Save 31%
  • TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    $233.99
    MSRP: $236.34
    Save 1%
  • TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    $249.99
    MSRP: $289.79
    Save 14%
  • TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    $275.99
    MSRP: $312.79
    Save 12%
  • XLE-2521 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

Items 1 to 48 of 112 total

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