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

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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. PENTEK-255541-43

    PENTEK-255541-43

    $12.99
  2. WSQC-2 WaterSentinel Reverse Osmosis Carbon GAC Filter Cartridge
  3. WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  4. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  5. EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $61.99
  6. EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $52.99 MSRP:  $59.79
  7. EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $84.99 MSRP:  $118.99
  8. EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $69.99 MSRP:  $87.99
  9. EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $68.99 MSRP:  $111.99
  10. GS-6RO-B Pentek Inline Filter Replacement Cartridge

    GS-6RO-B Pentek Inline Water Filter Cartridge

    Fits 1/4-inch water lines with 1/4-inch MPT Learn More
  11. AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    Fits the Watts Flowmatic FMR04-MAN reverse osmosis water filtration system Learn More
    $7.99 MSRP:  $9.19
  12. AICRO-JGK Watts Inline Filter Cartridge

    AICRO-JGK Watts Inline Water Filter Cartridge

    For use with inline water filtration applications using 1/4-inch John Guest Quick Change fittings Learn More
    $10.99
  13. GXILQR GE SmartWater Inline Filter Replacement Cartridge

    GXILQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXILQ filter system Learn More
  14. OMNIPURE-K2533BB

    OMNIPURE-K2533BB

    $9.99 MSRP:  $13.79
  15. OMNIPURE-K2567-BB

    OMNIPURE-K2567-BB

    $16.49 MSRP:  $19.54
  16. OMNIPURE-K5515-BB

    OMNIPURE-K5515-BB

    $26.49
  17. OMNIPURE-K5567BB

    OMNIPURE-K5567BB

    $18.79 MSRP:  $23.91
  18. OMNIPURE-K5633BB

    OMNIPURE-K5633BB

    $20.99
  19. OMNIPURE-K5633CC

    OMNIPURE-K5633CC

    $15.99 MSRP:  $17.24
  20. OMNIPURE-QNVH-BB

    OMNIPURE-QNVH-BB

    $11.99 MSRP:  $16.09
  21. OMNIPURE-SCL10-B

    OMNIPURE-SCL10-B

    $12.99 MSRP:  $17.24
  22. OMNIPURE-K2555-BB

    OMNIPURE-K2555-BB

    $22.09
  23. OMNIPURE-K5605-BB

    OMNIPURE-K5605-BB

    $14.29
  24. OMNIPURE-K5528-BB

    OMNIPURE-K5528-BB

    $13.19 MSRP:  $16.09
  25. OMNIPURE-K5520BB

    OMNIPURE-K5520BB

    $25.39 MSRP:  $28.74

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