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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 25 of 30 total

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  1. K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More

    Regular Price: $21.99

    Special Price: $21.05

  2. K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    Fits standard 3/8-inch water lines Learn More
    $38.99 Retail Price:  $50.99
  3. K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    Fits standard 3/8-inch water lines Learn More
    $11.99 Retail Price:  $17.99
  4. ELF-NV-HEAD-DK7-P6 Omnipure Inline Filter Head

    ELF-NV-HEAD-DK7-P6 Omnipure Inline Water Filter Head

    Fits any 3/8-inch water line Learn More

    Regular Price: $12.99

    Special Price: $11.05

  5. K2333-JJ Omnipure Inline Filter

    K2333-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $10.99 Retail Price:  $13.79
  6. K2333-KK Omnipure Inline Filter

    K2333-KK Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $12.99 Retail Price:  $13.79
  7. K2505-JJ Omnipure Sediment Inline Filter

    K2505-JJ Omnipure Sediment Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $12.99 Retail Price:  $16.09
  8. K2515-JJ Omnipure Lead Cyst Inline Filter

    K2515-JJ Omnipure Lead Cyst Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $19.99 Retail Price:  $25.29
  9. K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $18.99 Retail Price:  $24.14
  10. K2528-JJ Omnipure Inline Filter

    K2528-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  11. K2533JJ Omnipure Water Filter
  12. K2533-KK Omnipure Inline Filter

    K2533-KK Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $13.99 Retail Price:  $14.94
  13. K2540-JJ Omnipure Inline Coconut Carbon Filter

    K2540-JJ Omnipure Inline Coconut Carbon Filter

    Fits standard 1/4-inch water lines Learn More
    $11.99 Retail Price:  $16.09
  14. K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge
  15. K5505JJ Omnipure Sediment Filter Cartridge

    K5505JJ Omnipure Sediment Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $16.99 Retail Price:  $21.84
  16. K5520P-JJ Omnipure Inline Phosphate Filter

    K5520P-JJ Omnipure Inline Phosphate Filter

    Fits standard 1/4-inch water lines Learn More
    $19.99 Retail Price:  $27.59
  17. K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More

    Regular Price: $20.99

    Special Price: $20.05

  18. K5586-JJ Omnipure Inline Phosphate Filter

    K5586-JJ Omnipure Inline Phosphate Filter

    Fits standard 1/4-inch water lines Learn More
    $14.99 Retail Price:  $19.54
  19. 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
  20. 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
  21. 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
  22. Q5386 Omnipure Inline Filter Replacement Cartridge

    Q5386 Omnipure Inline Filter Replacement Cartridge

    Fits the Omnipure QVH and QNVH Twist Tap series filter heads Learn More
    $14.99 Retail Price:  $20.00
  23. Q5486 Omnipure Twist-Tap Inline Filter Replacement Cartridge

    Q5486 Omnipure Twist-Tap Inline Filter Replacement Cartridge

    Fits the Omnipure QVH and QNVH Twist Tap series filter heads Learn More
    $13.99 Retail Price:  $16.09
  24. QNVH-JJ Omnipure Quick Connect Water Filter Head

    QNVH-JJ Omnipure Quick Connect Water Filter Head

    Attaches easily to 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  25. VH14-JG Omnipure Valved Head

    VH14-JG Omnipure Valved Head

    Fits standard 1/4-inch water lines Learn More
    $19.99 Retail Price:  $25.29

Items 1 to 25 of 30 total

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