Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

Items 1 to 25 of 261 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Ascending Direction
  1. FC-600L PUR Flavor Options Flavor Options Replacement Cartridge

    FC-600L PUR Flavor Options Flavor Options Replacement Cartridge

    Fits only PUR Flavor Options Pitchers and Faucets Learn More
  2. FC-600S PUR Flavor Options Flavor Options Replacement Cartridge

    FC-600S PUR Flavor Options Flavor Options Replacement Cartridge

    Fits only PUR Flavor Options Pitchers and Faucets Learn More
  3. Brita Water Purifier Bottle Replacement Filter (2-Pack)
  4. BBY-1TT-BLU Built NY Thirsty Bottle Tote - Blue
  5. 8014399 Katadyn Quick Fill Hydration Pack Adapter
  6. KPPA Klean Kanteen Sippy-Top Bottle Adapter
  7. KWPPC Klean Kanteen Cafe Cap

    KWPPC Klean Kanteen Cafe Cap

    Fits all Klean Kanteen wide and insulated bottle sizes Learn More
  8. KPPF Klean Kanteen Flat Cap

    KPPF Klean Kanteen Flat Cap

    Fits all Klean Kanteen bottle sizes Learn More
  9. KPPL Klean Kanteen Loop Cap

    KPPL Klean Kanteen Loop Cap

    Fits all Klean Kanteen bottle sizes Learn More
    $6.99
  10. KPPS Klean Kanteen Sport Cap

    KPPS Klean Kanteen Sport Cap

    Fits all Klean Kanteen bottle sizes Learn More
  11. KPPS Klean Kanteen Sport Cap 2.0

    KPPS Klean Kanteen Sport Cap 2.0

    Fits all Klean Kanteen bottle sizes Learn More
  12. KSSF Klean Kanteen Stainless Steel Flat Cap

    KSSF Klean Kanteen Stainless Steel Flat Cap

    Fits all Klean Kanteen bottle sizes Learn More
  13. KSSL Klean Kanteen Stainless Steel Loop Cap

    KSSL Klean Kanteen Stainless Steel Loop Cap

    Fits all Klean Kanteen bottle sizes Learn More
  14. KBINER3 Klean Kanteen S-Biner #3 Stainless Steel S Shaped Carabiner
  15. KBINER4 Klean Kanteen S-Biner #4 Stainless Steel S Shaped Carabiner
  16. 57-1423 Nubo Bottle Filtered Water Bottle
  17. Funbottle-dfs-green Tier1 Water Bottle - Green
  18. SCF147 Avent Sippy-Spout (2-Pack)
  19. 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
  20. 44191 Camco Odor Absorber (3-Pack)

    44191 Camco X-Odor Eliminator (3-Pack)

    $9.39 MSRP:  $15.99
  21. PR-1 Culligan Pitcher Replacement Cartridge

    PR-1 Culligan Water Filter Pitcher Replacement Cartridge

    Fits Culligan PIT-1, OP-1, GP-1, WP-1, WFR1 and WFJ2 water filter pitchers Learn More
    $6.99 MSRP:  $12.52
  22. S1A Culligan Level 2 Whole House Filter Replacement Cartridge (2-Pack)

    S1A-D Culligan Level 2 Whole House Filter Replacement Cartridge (2-Pack)

    Fits Culligan HF-150, HF-160, HF-360, HF-365, and any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $7.99 MSRP:  $10.80
  23. FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge
  24. 3WH-STDPL-F02 Filtrete Replacement Filter Cartridge (2-Pack)
  25. 3WH-STDSW-F02 3M Filtrete Replacement Water Filter Cartridges (2-Pack)

Items 1 to 25 of 261 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Ascending Direction
Scroll To Top