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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.

23 Item(s)

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  1. GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXRTQ filter system Learn More
    $21.99 Retail Price:  $25.98
  2. ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $23.99 Retail Price:  $26.34
  3. ISF-2512 Hydronix Sediment Inline Filter

    ISF-2512 Hydronix Sediment Inline Filter

    $8.99 Retail Price:  $12.64
  4. E5615 Omnipure Replacement Filter Cartridge

    E5615 Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-6 Learn More
    $26.99 Retail Price:  $40.24
  5. E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-7 Learn More
    $20.99 Retail Price:  $31.04
  6. K5605-JJ Omnipure Sediment Inline Filter

    K5605-JJ Omnipure Sediment Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $13.99 Retail Price:  $18.39
  7. K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $20.99 Retail Price:  $23.34
  8. K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    Fits easily onto standard 3/8-inch water lines Learn More
    $15.99 Retail Price:  $17.24
  9. K5633JJ Omnipure Inline GAC Filter Cartridge

    K5633JJ Omnipure Inline GAC Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $14.39 Retail Price:  $18.85
  10. K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    Fits standard 3/8-inch water lines Learn More
    $14.39 Retail Price:  $18.85
  11. Q5605 Omnipure Whole House Replacement Sediment Filter Cartridge

    Q5605 Omnipure Whole House Replacement Sediment Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $16.99 Retail Price:  $17.24
  12. Q5615 Omnipure Replacement Filter Cartridge

    Q5615 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $29.99 Retail Price:  $34.49
  13. Q5615-P Omnipure Replacement Filter Cartridge

    Q5615-P Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $28.99 Retail Price:  $36.79
  14. Q5620 Omnipure Replacement Filter Cartridge

    Q5620 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $19.99 Retail Price:  $25.29
  15. Q5620-P Omnipure Replacement Filter Cartridge

    Q5620-P Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $23.99 Retail Price:  $29.89
  16. Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $19.99 Retail Price:  $24.14
  17. Q5621-P Omnipure Replacement Filter Cartridge

    Q5621-P Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $21.99 Retail Price:  $27.59
  18. Q5633 Omnipure Replacement Filter Cartridge

    Q5633 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $16.99 Retail Price:  $20.69
  19. Q5640 Omnipure Replacement Filter Cartridge

    Q5640 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $15.99 Retail Price:  $20.69
  20. K5605-BB Omnipure Inline Sediment Filter

    K5605-BB Omnipure Inline Sediment Filter

    Sized 2.5 inches W x 12 inches L; 5 Micron; 1/4-inch FPT Learn More
    $12.99 Retail Price:  $17.24
  21. CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System

    CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System

    For use with refrigerators with built-in water dispensers, water fountains, coolers, icemakers and commercial coffee makers Learn More
    $36.99 Retail Price:  $44.84
  22. E5615-P Omnipure E-Series Water Filter

    E5615-P Omnipure E-Series Water Filter

    Sized 2 1/2 inches wide by 12 inches long Learn More
    $29.99 Retail Price:  $42.54
  23. Q5648 Omnipure Calcite Water Filter

    Q5648 Omnipure Calcite Water Filter

    Sized 2.5 x 12 inches Learn More
    $16.99 Retail Price:  $21.84

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