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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. EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    Fits into most industry standard 10-inch water filtration system housings Learn More

    As Low As $3.82 Per Filter

  2. WFF-6 Mr. Coffee Brand Comparable Replacement Water Filter by Tier1 (6-Pack)

    WFF-6 Mr. Coffee Brand Comparable Replacement Water Filter by Tier1 (6-Pack)

    Fits Mr. Coffee Brand Coffee Makers that require a disc shaped water filter cartridge Learn More
    $6.99 Retail Price:  $12.99
  3. KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter

    KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter

    Fits Culligan AC15, AC30, LC50, and H83 Reverse Osmosis systems Learn More
    $6.99 Retail Price:  $10.99
  4. EP10-10 Tier1 Carbon Block Water Filter

    EP10-10 Tier1 Carbon Block Water Filter

    Sized 10 x 2 7/8 inches Learn More

    As Low As $5.20 Per Filter

  5. EP-5 Pentek Replacement Filter Cartridge

    EP-5 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 5-inch x 2.5-inch water filter cartridges Learn More
    $6.99
  6. Nubo 57-3045 Bubble Gum Pink Neoprene Bottle Cover

    Nubo 57-3045 Bubble Gum Pink Neoprene Bottle Cover

    Fits the Nubo 57-1432 filter bottle Learn More
    $6.99 Retail Price:  $16.09
  7. Nubo 57-3052 Volcano Red Neoprene Bottle Cover

    Nubo 57-3052 Volcano Red Neoprene Bottle Cover

    Fits the Nubo 57-1432 filter bottle Learn More
  8. CB-25-1010 Hydronix Carbon Water Filter Replacement

    CB-25-1010 Hydronix Carbon Water Filter Replacement

    9 7/8 inches by 2.75 inches, 10 micron, fits systems that use Liquatec CB-250-975-10 and Watts IF-CB-010 / IFCB010M water filters Learn More
    $6.99 Retail Price:  $10.34
  9. 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
  10. 44191 Camco Odor Absorber (3-Pack)

    44191 Camco X-Odor Eliminator (3-Pack)

    $8.49 Retail Price:  $12.06
  11. IC6-38Q Tier1 Inline Water Filter

    IC6-38Q Tier1 Inline Water Filter

    For use on cold water lines only Learn More
  12. 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
  13. EPM-10 Pentek Undersink Filter Replacement Cartridge

    EPM-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $9.99 Retail Price:  $10.57
  14. CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    Fits in compact 5-inch water filter housings Learn More
    $9.99 Retail Price:  $16.55
  15. CFB-Plus10 Pentek Replacement Filter Cartridge

    CFB-Plus10 Pentek Replacement Water Filter Cartridge

    Fits most standard sized water filtration system housings that accept 10-inch x 2.5-inch filter cartridges Learn More
    $9.99 Retail Price:  $14.13
  16. CB-25-1001 Hydronix Carbon Water Filter

    CB-25-1001 Hydronix Carbon Water Filter

    Sized 9-7/8 x 2.75 inches, 1 micron. Fits water filtration systems that use Liquatec CB-250-975-01, Pentek CB1-10 and Pentek 255382-43 filters Learn More
    $9.99 Retail Price:  $13.79
  17. 35818 Brita Water Bottle Replacement Filters

    35818 Brita Water Bottle Replacement Filters

    Fits into Brita filtered water bottles Learn More
    $9.99 Retail Price:  $15.00

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