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. 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  2. Crystal Quest 2-7/8 in x 9-3/4 in Nitrate Filter Cartridge
  3. AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    Fits most housings that accept 20 inch x 4.5 filter cartridges Learn More
    $126.05 MSRP:  $171.99
  4. WFFM350XBN DuPont Deluxe Faucet Mount Drinking Water Filter - Brushed Nickel
  5. 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
  6. WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  7. 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
  8. WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  9. WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge

    WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge

    Fits WFDW120009W DuPont Universal Drinking Water Filter System and other brands of 10-inch standard-size filter systems Learn More
    $33.99 MSRP:  $45.85
  10. Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016

    Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016

    Fits standard 10 inches x 2.5 inches housings Learn More
    $36.89 MSRP:  $48.99
  11. ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge

    ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge

    Fits most 1/4-inch standard water lines Learn More
    $38.99 MSRP:  $50.99
  12. DUPONT-WFQTC90001

    DuPont WFQTC90001 Quick Twist 3rd Stage Replacement Filter

    Fits the Dupont-WFQT39000 Quick Twist Water Filter System Learn More
  13. DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  14. DuPont WFFS150XCH Chrome Counter Top Faucet System
  15. R200 Samsung Inline Water Filter Replacement by Tier1

    R200 OmniFilter Inline Water Filter Replacement by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  16. K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    Fits standard 3/8-inch water lines Learn More
    $39.59 MSRP:  $53.99
  17. K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    Fits standard 3/8-inch water lines Learn More
    $11.99 MSRP:  $17.99
  18. 150240 Pentek 10-inch Big Blue Housing

    150240 Pentek 10-inch Big Blue Housing

    $29.99 MSRP:  $42.00
  19. Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Fits most standard kitchen sinks Learn More
    $127.49 MSRP:  $153.99
  20. Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $19.66 Per Filter

  21. Everpure EV9618-02 Comparable Food Service Replacement Filter by Tier1

    Everpure EV9618-02 Comparable Food Service Replacement Filter by Tier1

    Fits QL1, QL2, QL3, QL3B, QL7I Single Heads Learn More
    $19.95 MSRP:  $68.99
  22. P-250 Pentek Comparable Under Sink Water Filter Set Tier1

    P-250 Pentek Comparable Under Sink Water Filter Set by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More
    $21.99 MSRP:  $41.99
  23. D-250A Culligan Comparable Under Sink Water Filter Set by Tier1

    D-250A Culligan Comparable Under Sink Water Filter Set by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More

    As Low As $0.00 Per Filter

  24. P-250 Pentek Comparable Under Sink Water Filter Set by Tier1

    P-250 Pentek Comparable Under Sink Water Filter Set by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More

    As Low As $0.00 Per Filter

  25. P-250A Pentek Comparable Under Sink Filter Set by Tier1

    P-250A Pentek Comparable Under Sink Filter Set by Tier1

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More

    As Low As $0.00 Per Filter

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