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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. 35618 Brita Faucet Filter System - Chrome - 1

    Brita Chrome Faucet Filter System (#35618)

    Designed to fit easily onto all standard sized faucets Learn More

    Regular Price: $36.99

    Special Price: $30.05

  2. ACC5-CM Sprite Cascade Filtered Shower Head (5-Setting)

    ACC5-CM Sprite Cascade Filtered Shower Head (5-Setting)

    Fits most residential showers Learn More

    Regular Price: $43.99

    Special Price: $30.05

  3. QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  4. CR-5000 PUR Flavor Options 56-Ounce Water Pitcher
  5. 3M Aqua-Pure AP110-3 Whole House Water Filter

    AP110-3 3M Aqua-Pure Replacement Water Filter Cartridge

    Fits the 3M Aqua-Pure AP110 Series of whole house water filtration systems Learn More
    $30.99 Retail Price:  $34.49
  6. 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    Fits 3M Aqua-Pure AP430 and AP430-SS filtered hot water systems Learn More
    $30.99 Retail Price:  $35.64
  7. 42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    $30.99 Retail Price:  $44.84
  8. ISH-200 Culligan Inline Shower Filter - Chrome

    ISH-200 Culligan Inline Shower Filter - Chrome

    Fits any 1/2-inch thread shower heads Learn More
    $30.99 Retail Price:  $32.19
  9. W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits the (S) type thread mount in HIP, HCP and HIS housings Learn More
    $30.99 Retail Price:  $39.96
  10. EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    Connects with 3/8 inch NPT threads and fits 1/4-inch water lines Learn More
    $30.99 Retail Price:  $33.34
  11. RFC-BB Pentek Whole House Filter Replacement Cartridge - 1

    RFC-BB Pentek Whole House Water Filter Cartridge Replacement

    Fits water filtration system housings by Pentek, Culligan, Pentair, Ametek, US Filter, Kleen Plus, Bruner, American Plumber, Plymouth and more that accept 9-3/4 x 4-1/2 inch filter cartridges Learn More
    $30.99 Retail Price:  $35.64
  12. F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    Fits most standard kitchen water faucets Learn More
    $30.99 Retail Price:  $33.34
  13. K27SSLRF-MS Klean Kanteen Reflect 27-Ounce Stainless Steel Water Bottle with Bamboo cap - Mirrored Finish
  14. K64WSSL Klean Kanteen 64-Ounce Stainless Steel Wide Mouth Bottle with Loop-cap
  15. MATRIKX-1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
    $30.99
  16. W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    Fits most standard 2.5-inch by 10-inch filter housings Learn More
    $30.99 Retail Price:  $34.55
  17. 3G-STANDARD-34-PR20 Pentek Whole House Standard 20 inch Filter Housing
  18. 1-40100-W Seychelle Family Water Pitcher Regular Replacement Filter

    1-40100-W Seychelle Water Pitcher Replacement Filter

    Fits the Seychelle Family Water Pitcher Learn More
    $31.96
  19. 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    Built to fit into American Plumber WIC-600 and DW-600 undersink water filtration systems Learn More
    $31.99 Retail Price:  $35.06
  20. 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge

    AP1001 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
    $31.99 Retail Price:  $40.24
  21. 3M Aqua-Pure AP814 Whole House Water Filter

    AP814 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $31.99 Retail Price:  $33.34
  22. 35250 Brita Space Saver Calendar-Minder OB21 48-Ounce Water Pitcher
  23. IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  24. RDA-150 Culligan Shower Exstension Arm

    RDA-150 Culligan Shower Exstension Arm

    Fits Raindisc Showerhead and can be installed on any standard 1/2-inch threaded shower pipe Learn More
    $31.99 Retail Price:  $38.51
  25. 4US-MAXL-F01 Filtrete Replacement Filter Cartridge

    4US-MAXL-F01 3M Filtrete Replacement Water Filter Cartridge

    Fits 3M Filtrete High Performance Drinking Water Filtration systems Learn More
    $31.99 Retail Price:  $36.79

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