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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. K27SSLRF-MS Klean Kanteen Reflect 27-Ounce Stainless Steel Water Bottle with Bamboo cap - Mirrored Finish
  2. K64WSSL Klean Kanteen 64-Ounce Stainless Steel Wide Mouth Bottle with Loop-cap
  3. 8014522 Katadyn Micro Ultralight Series 21-Ounce Personal Water Purifier Bottle - Blue
  4. Body Glove Water Filter Bottle (20 oz. # WI-BG-Bottle-20)

    Body Glove Water Filter Bottle (20 oz. # WI-BG-Bottle-20)

    Comes complete with a water filter Tested and Certified against NSF/ANSI Standards 42 & 53 Learn More
    $36.99 MSRP:  $49.95
  5. 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

  6. 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

  7. LF-EC32-CP Hydronix Elegant Ceramic Faucet with 3-inch Shank

    LF-EC32-CP Hydronix Elegant Ceramic Faucet with 3-inch Shank

    Fits most standard water lines Learn More
    $30.05 MSRP:  $50.99
  8. QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  9. CR-5000 PUR Flavor Options 56-Ounce Water Pitcher
  10. 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 MSRP:  $49.56
  11. 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
    $30.99 MSRP:  $33.34
  12. 42412 Brita Atlantis OB32 48-Ounce Water Pitcher
  13. D-250A Culligan Undersink Filter Replacement Cartridge Set

    D-250A Culligan Undersink Filter Replacement Cartridge Set

    Fits the Culligan SY-2300, SY-2300S and SY-2650 systems and any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $30.99 MSRP:  $44.99
  14. 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 MSRP:  $32.19
  15. 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 MSRP:  $39.96
  16. Whirlpool WHKF-DB2 Undersink Replacement Water Filter Cartridge

    WHKF-DB2 Whirlpool Undersink Replacement Filter Cartridge

    Fits the Whirlpool WHKF-DUF Under Sink Filter Housing Learn More
    $30.99
  17. 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 MSRP:  $33.34
  18. 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
  19. 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 MSRP:  $34.55
  20. 3G-STANDARD-34-PR20 Pentek Whole House Standard 20 inch Filter Housing
  21. 1-40100-W Seychelle Family Water Pitcher Regular Replacement Filter
  22. 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 MSRP:  $35.06
  23. 35250 Brita Space Saver Calendar-Minder OB21 48-Ounce Water Pitcher
  24. 40045 Camco TastePURE Inline Large Capacity Filter (2-Pack)
  25. IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System

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