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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 26 to 50 of 104 total

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  1. ELF-1M Omnipure Replacement Filter Cartridge

    ELF-1M Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF permanent filter heads Learn More
    $22.99 Retail Price:  $28.74
  2. ELF-1ML Omnipure Replacement Filter Cartridge

    ELF-1ML Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF permanent filter heads Learn More
    $31.99 Retail Price:  $40.24
  3. ELF-DK7 Omnipure Filter Head

    ELF-DK7 Omnipure Filter Head

    Fits standard 3/8-inch water lines Learn More
    $10.99 Retail Price:  $16.09
  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. ELFXL-1M Omnipure Replacement Filter Cartridge

    ELFXL-1M Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF permanent filter heads Learn More
    $36.99 Retail Price:  $44.84
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. K2533BB Omnipure Inline GAC Filter Cartridge

    K2533BB Omnipure Inline Water Filter Cartridge

    Fits onto standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  13. K2533JJ Omnipure Water Filter
  14. 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
  15. K2533TJ Omnipure Inline Carbon Filter

    K2533TJ Omnipure Inline Carbon Filter

    Fits standard 1/4-inch water lines that use a twin inlet fitting Learn More
    $9.99 Retail Price:  $13.79
  16. 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
  17. K2567-BB Omnipure Inline Filter

    K2567-BB Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $14.99 Retail Price:  $19.54
  18. K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge
  19. 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
  20. K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $23.99 Retail Price:  $25.29
  21. 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
  22. K5562-BB-NRW37 Omnipure Deionization Inline Filter

    K5562-BB-NRW37 Omnipure Deionization Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $22.99 Retail Price:  $25.29
  23. K5567BB Omnipure Inline Filter Replacement Cartridge

    K5567BB Omnipure Inline Filter Replacement Cartridge

    Fits standard 1/4-inch water lines Learn More
    $18.79 Retail Price:  $23.91
  24. 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

  25. 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

Items 26 to 50 of 104 total

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