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 CHLORPLUS-10 Whole House Water Filter Replacement Cartridge

    Pentek ChlorPlus-10 Whole House Carbon Block Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $18.00 Per Filter

  2. HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    Fits the Cuno VB2 and HC111-S filter systems Learn More
    $37.99 MSRP:  $54.99
  3. E5320 Omnipure Replacement Filter Cartridge

    E5320 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-3 Learn More
    $13.69 MSRP:  $21.99
  4. E5515-P Omnipure Replacement Filter Cartridge

    E5515-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-4 Learn More
    $27.39 MSRP:  $34.99
  5. 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 MSRP:  $40.24
  6. E5715 Omnipure Replacement Filter Cartridge

    E5715 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-8 Learn More
    $45.99 MSRP:  $52.89
  7. E5715-P Omnipure Replacement Filter Cartridge

    E5715-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-9 Learn More
    $41.19 MSRP:  $55.99
  8. K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $20.99 MSRP:  $29.99
  9. K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $26.49 MSRP:  $35.99
  10. K5520P-JJ Omnipure Inline Phosphate Filter

    K5520P-JJ Omnipure Inline Phosphate Filter

    Fits standard 1/4-inch water lines Learn More
    $19.99 MSRP:  $27.59
  11. Q5515 Omnipure Water Filter

    Q5515 Omnipure Water Filter

    $18.99 MSRP:  $40.99
  12. Q5515-P Omnipure Replacement Filter Cartridge

    Q5515-P Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $30.59 MSRP:  $43.99
  13. Q5615 Omnipure Replacement Filter Cartridge

    Q5615 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $31.79 MSRP:  $39.99
  14. 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 MSRP:  $36.79
  15. E5486 Omnipure Water Filter

    E5486 Omnipure Water Filter

    Fits Everpure permanent filter heads Learn More
    $17.99 MSRP:  $20.34
  16. K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    Sized 2.5 inches W x 10 inches L; 1 Micron; 1/4 inch FQC Learn More
    $23.99 MSRP:  $29.89
  17. K5615-BB Omnipure Carbon Block Inline Filter

    K5615-BB Omnipure Carbon Block Inline Filter

    Fits 1/4 inch water lines Learn More
    $24.99 MSRP:  $31.04

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