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. F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    InSinkErator F-601R Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    Fits the InSinkErator F-201 Water Filtration System, and all Series 1100 and 2200 Instant Hot Water Dispensers Learn More
    $130.99 MSRP:  $134.42
  2. WFFM350XBN DuPont Deluxe Faucet Mount Drinking Water Filter - Brushed Nickel
  3. 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
  4. WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  5. 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
  6. WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  7. EV977100 Everpure Chloramine Reduction Water Filter Replacement
  8. FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1

    FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  9. Seychelle-1-40100-2 Dual Replacement Filters
  10. 1-40100-2-RES Seychelle Dual Filter and Reservoir

    1-40100-2-RES Seychelle Dual Filter and Reservoir

    Fits Seychelle Gen 1 (older) pitcher style Learn More
    $45.99 MSRP:  $49.95
  11. W9223006 Doulton Imperial 10-inch Ultracarb Filter Cartridge
  12. W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton HIP, HIS and HCPS housings (NOT gravity-fed) Learn More
    $35.00 MSRP:  $73.99
  13. EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    For use in 3M Aqua-Pure and Everpure whole house water filtration systems Learn More
    $69.99 MSRP:  $82.79
  14. EP25 3M Aqua-Pure Whole House Water Filter

    EP25 3M Aqua-Pure Whole House Water Filter Cartridge

    Fits the 3M Aqua-Pure/Everpure H-104, H-200 and H-220 whole house water filtration systems Learn More
    $91.99 MSRP:  $111.54
  15. WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    Fits the Body Glove BG-12000 Water Filter System Learn More
    $290.21 MSRP:  $386.95
  16. WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    Fits the Body Glove BG-3000 Water Filter System Learn More
    $158.99 MSRP:  $192.95
  17. WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    Fits existing Everpure C-300 Filtration Systems Learn More
    $145.99 MSRP:  $174.95
  18. 42617 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome

    42617 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome

    Fits all Brita "On-Tap" faucet mounted water filter systems (regardless of finish) Learn More
    $24.99 MSRP:  $25.29
  19. 42618 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome (2-Pack)

    42618 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome (2-Pack)

    Fits all Brita "On-Tap" faucet mounted water filter systems (regardless of finish) Learn More
    $35.99 MSRP:  $41.39
  20. 35501 Brita OB03 Pitcher Replacement Cartridge

    35501 Brita OB03 Pitcher Replacement Cartridge

    Fits all Brita pitchers, dispensers, and water coolers Learn More
    $9.99 MSRP:  $13.79
  21. 35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    Fits all Brita pitchers, dispensers, and water coolers Learn More
    $23.99 MSRP:  $29.89
  22. 42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    Fits all Brita pitchers, dispensers, and water coolers Learn More
    $29.99 MSRP:  $37.94
  23. Updated Packaging and Filter

    35516 Brita OB03 Pitcher Replacement Cartridge (5-Pack)

    Fits all Brita pitchers, dispensers, and water coolers Learn More
    $36.99 MSRP:  $44.84
  24. 71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    Fits all Brita pitchers, dispensers, and water coolers Learn More
    $45.49 MSRP:  $68.99
  25. 42629 Brita Slim OB11 40-Ounce Water Pitcher

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