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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. CL6ROT33-A Omnipure GAC Inline Water Filter

    CL6ROT33-A Omnipure GAC Inline Water Filter

    Ideal for use in water coolers, drinking fountains, under sink systems, ice machines, and reverse osmosis systems Learn More
  2. CB-25-1005 Hydronix Replacement Filter Cartridge

    CB-25-1005 Hydronix Replacement Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $9.99
  3. HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    Fits Culligan Reverse Osmosis system models AC15, AC30, LC50, and H83, and others Learn More
    $7.99 Retail Price:  $9.19
  4. CL10ROT33-C Omnipure Inline Filter

    CL10ROT33-C Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  5. CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    Fits standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  6. CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    Fits standard 3/8-inch water lines Learn More
    $8.99 Retail Price:  $12.64
  7. CL6ROT33-B Omnipure Inline Filter

    CL6ROT33-B Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $11.49
  8. CL6ROT33-C Omnipure Inline Filter

    CL6ROT33-C Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $7.99 Retail Price:  $11.49
  9. 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
  10. 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
  11. 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
  12. 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
  13. K2386-JJ Omnipure Inline Phosphate Water Filter

    K2386-JJ Omnipure Inline Phosphate Water Filter

    2 inch x 6 inch, 1/4 inch FQC, for use on cold water lines only Learn More

    Regular Price: $10.99

    Special Price: $9.05

  14. CL6PF5-C Omnipure Sediment Inline Water Filter

    CL6PF5-C Omnipure Sediment Inline Water Filter

    5 micron filter, sized 2 x 6 inches, with a 3/8 inch FPT connection Learn More

    Regular Price: $7.99

    Special Price: $6.05

  15. CL10ROT28-A Omnipure Inline Water Filter

    CL10ROT28-A Omnipure Inline Water Filter

    Sized 2 x 10, with 1/8 inch FPT connections Learn More
    $8.99 Retail Price:  $12.64

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