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. HYDRONIX-SPC-25-1030
  2. Coconut Shell Granular Activated Carbon Inline Water Filter by Tier1

    IC6-14Q Coconut Shell Granular Activated Carbon Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More
    $7.99 MSRP:  $12.99
  3. HYDRONIX-SDC-25-4001
  4. P10-30 Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)

    PD-10-30 Pentek Comparable Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)

    Made to fit housings sized 30 x 2.5 inches Learn More
    $13.99 MSRP:  $19.99
  5. Hydronix SDC-25-3001 Polypropylene Sediment Filter

    Hydronix SDC-25-3001 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size fits many standard size filter housings Learn More
    $18.99
  6. Hydronix SDC-25-3075 Polypropylene Sediment Filter

    Hydronix SDC-25-3075 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size fits many standard size filter housings Learn More
    $18.99
  7. Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size fits many standard size filter housings Learn More
    $19.99
  8. Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Standard 50 inch by 2.5 inch size fits many standard size filter housings Learn More
    $16.99
  9. SDC-25-3001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-3001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits in housings that accept 30 x 2.5 inch replacement filters Learn More
    $15.99 MSRP:  $19.99
  10. SDC-25-4001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-4001 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits most housings sized at 40 x 2.5 inches Learn More
    $16.99
  11. SDC-25-4010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  12. SDC-25-4050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-4050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits housings for filters 40 x 2.5 inches Learn More
    $13.99 MSRP:  $14.99
  13. SDC-25-3075 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-3075 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Standard 30 inch by 2.5 inch size fits standard size filter housings Learn More
    $15.99
  14. Culligan Pre-Reverse Osmosis Carbon Block Comparable Filter by Tier1

    Culligan Pre-Reverse Osmosis Carbon Block Comparable Filter by Tier1

    Fits Culligan Aqua Cleer and H Series reverse osmosis systems, including the H-5, H-8, H-82, H-83, AC-15, AC-30 and AC-50 Learn More
    $10.99 MSRP:  $20.99
  15. WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter

    WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter

    Fits all DuPont faucet mount systems Learn More
    $7.99 MSRP:  $9.34
  16. WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  17. WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter

    WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter

    Fits all DuPont faucet mounts Learn More
    $14.99 MSRP:  $17.34
  18. WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  19. C2-02 Advanced Water Products 20-inch x 4.5-inch Replacement Carbon Whole House Filter

    C2-02 Advanced Water Products Replacement 20-inch x 4.5-inch Carbon Whole House Filter

    Fits most 20-inch x 4.5-inch filter housings, including the Trojan UV Max IHS12-D4 and IHS22-D4 Water Disinfection Systems Learn More
  20. PENTEK-255579-43

    PENTEK-255579-43

    $14.29 MSRP:  $18.99
  21. HYDRONIX-HF2-10CLWH12

    HYDRONIX-HF2-10CLWH12

    $15.99 MSRP:  $22.99
  22. JURA-64553

    JURA-64553

    $22.19 MSRP:  $29.99
  23. 1236268 Merlin Reverse Osmosis Pre Filter

    ROSave.Z GE Reverse Osmosis Zplex Technology Pretreatment Filter

    Fits standard 40 x 2-1/2 inch filter housings Learn More
    $29.99 MSRP:  $32.34
  24. PENTEK-CB1-10

    PENTEK-CB1-10

    $15.39
  25. C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    Fits most 20 x 4.5-inch filter housings including the Viqua IHS12-D4 and IHS22-D4 water disinfection systems. Learn More
    $49.99 MSRP:  $89.00

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