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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. F2-WHITE Instapure Essentials Faucet Filter System - White

    F2-WHITE Instapure Essentials Faucet Filter System - White

    Fits most standard kitchen water faucets Learn More
    $12.99 Retail Price:  $17.24
  2. Hytrex GX03-40 Polypropylene Sediment Filter

    Hytrex GX03-40 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size and double open end design fits many common filter housings. Also available in a variety of micron ratings and end cap styles. Learn More
    $24.99 Retail Price:  $27.34
  3. Hytrex GX03-9-34 Polypropylene Sediment Filter

    Hytrex GX03-9-34 Polypropylene Sediment Filter

    Standard 10 inch by 2.5 inch size and double open end cap style fits many common filter housings Learn More
    $6.99 Retail Price:  $9.34
  4. Pentek PX03-20 Polypropylene Sediment Filter

    Purtrex PX03-20 Polypropylene Sediment Filter

    Fits any standard 20 inch by 2.5 inch housings Learn More
    $19.99 Retail Price:  $22.34
  5. Purtrex PX03-9-78 Polypropylene Sediment Filter

    Purtrex PX03-9-78 Polypropylene Sediment Filter

    Fits any standard 10 inch by 2.5 inch housings Learn More
    $4.99 Retail Price:  $6.89
  6. 67006 Aquamira Frontier Pro Portable Emergency Filter System
  7. 3M Aqua-Pure AP1003 Water Filter Replacement Cartridge (2-Pack)

    AP1003 3M Aqua-Pure Whole House Filter Replacement Cartridge (2-Pack)

    Fits 3M Aqua-Pure whole house water filter systems Learn More
    $56.99 Retail Price:  $71.29
  8. 3M Aqua-Pure AP2150  Water Filter
  9. HF45-S Cuno Whole House Filter Replacement Cartridge

    HF45-S Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More
    $103.99 Retail Price:  $120.39
  10. HF65 Cuno Whole House Filter Replacement Cartridge

    HF65 Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More
    $127.99 Retail Price:  $148.80
  11. HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE Systems Learn More

    Regular Price: $133.99

    Special Price: $112.05

  12. HF95 Cuno Whole House Filter Replacement Cartridge

    HF95 Cuno Whole House Water Filter Cartridge

    Fits the Cuno Food Service High Flow Series filtration system Learn More
    $197.99 Retail Price:  $229.99
  13. HF95-S Cuno Whole House Water Filter Cartridge

    HF95-S Cuno Whole House Water Filter Cartridge

    Fits the Cuno Food Service High Flow Series Models including all SGP, ESP, BREW, BEV, and ICE filtration systems Learn More
    $195.99 Retail Price:  $227.69
  14. GX03-20 Hytrex Replacement Filter Cartridge

    GX03-20 Hytrex Replacement Water Filter Cartridge

    For standard filtration system housings that use 2.5-inch x 20-inch replacement water filters Learn More

    Regular Price: $8.99

    Special Price: $8.05

  15. GX03-9-78 Hytrex Replacement Water Filter

    GX03-9-78 Hytrex Replacement Water Filter

    Fits industry standard water filtration system housings that use 2.5-inch x 10-inch replacement filters Learn More
    $5.99 Retail Price:  $9.19
  16. F2-CHROME Instapure Essentials Faucet Filter System - Chrome

    F2-CHROME Instapure Essentials Faucet Filter System - Chrome

    Fits most standard kitchen water faucets Learn More
    $21.99 Retail Price:  $24.02
  17. R2-1PK Instapure Essentials Faucet Filter Replacement Cartridge

    R2 Instapure Essentials Faucet Filter Replacement Cartridge (1-Pack)

    Fits the Instapure F2 Faucet Water Filter System Learn More
    $9.99 Retail Price:  $11.95
  18. R2-2PK Instapure Essentials Faucet Filter Replacement Cartridge (2-Pack)

    R2 Instapure Essentials Faucet Filter Replacement Cartridge (2-Pack)

    Fits the Instapure F2 Faucet Water Filter System Learn More
    $10.99 Retail Price:  $13.79
  19. R2-4PK Instapure Essentials Faucet Filter Replacement Cartridge (4-Pack)

    R2 Instapure Essentials Faucet Filter Replacement Cartridge (4-Pack)

    Fits the Instapure F2 Faucet Water Filter System Learn More
    $18.99 Retail Price:  $24.02
  20. R7 Instapure CompletePlus Faucet Filter Replacement Cartridge (2-Pack)
  21. R7 Instapure CompletePlus Faucet Filter Replacement Cartridge (4-Pack)

    R7 Instapure CompletePlus Faucet Filter Replacement Cartridge (4-Pack)

    Fits the Instapure F7 Faucet Water Filter System Learn More

    (Retail Price: $59.79 ) $49.99

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