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  • Your filters are guaranteed to be the right fit!
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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. ATLANTIS-BLUE-PITCHER Brita 48-Ounce Water Pitcher
  2. BOTTLE-BLUE-FILTER-INSIDE Brita 20-Ounce Water Purifier Bottle - Blue
  3. 20Z-NBL Built NY Bottle Tote - Blue
  4. BBY-1TT-BLU Built NY Thirsty Bottle Tote - Blue
  5. 3WH-HD-S01 Filtrete Whole House Sump System
  6. 3WH-STD-S01 Filtrete Whole House Sump System
  7. 4WH-QCTO-S01 Filtrete Whole House Filter System
  8. 4WH-QS-S01 Filtrete Whole House Filter System
  9. HBSF-Blu Hydros Side-Fill Water Purifier Bottle - Blue Lid
  10. 1-04101-OT-B-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - Blue - 1
  11. 8014200 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Blue
  12. 8014522 Katadyn Micro Ultralight Series 21-Ounce Personal Water Purifier Bottle - Blue
  13. 8017756 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Blue Splash
  14. K27PPS-OB Klean Kanteen 27-Ounce Stainless Steel Water Bottle with Sport-Top - Ocean Blue
  15. 150235 Pentek Whole House Filter System

    150235 Pentek Whole House Filter System

    Fits standard 1.5-inch water lines Learn More
    $64.99 Retail Price:  $73.36
  16. 150574 Pentek Filter Housing - Blue

    150574 Pentek Filter Housing - Blue

    Fits 3/4-inch pipe Learn More
    $33.99 Retail Price:  $34.26
  17. 150576 Pentek Filter Housing - Blue

    150576 Pentek Filter Housing - Blue

    Fits 3/4-inch pipe Learn More
    $38.99 Retail Price:  $48.52
  18. 153001 Pentek Filter Housing Sump - Blue

    153001 Pentek Filter Housing Sump - Blue

    Fits the cap of Pentek 153001, Culligan 153008, Culligan HF-150, and #10 blue (not clear) housings of any inlet/outlet size Learn More
    $22.99 Retail Price:  $28.74
  19. 153017 Pentek Slim Line Filter Housing Sump - Blue

    153017 Pentek Slim Line Filter Housing Sump - Blue

    Fits the cap of SY-5197 10-inch Slim Line Housings, as well as other countertop and undersink systems Learn More
    $11.29 Retail Price:  $15.28
  20. 153029 Pentek Filter Housing Sump

    153029 Pentek Filter Housing Sump

    Fits the cap of Pentek and Culligan HD-950, and #10 Big Blue (not clear) housings of any inlet/outlet size Learn More
    $32.99 Retail Price:  $40.24
  21. 153070 Pentek Filter Housing Sump

    153070 Pentek Filter Housing Sump

    Fits the cap of #20 Big Blue (not clear) housings of any inlet or outlet size Learn More
    $51.99 Retail Price:  $57.95
  22. 158642 Pentek Slim Line Filter Housing - Blue

    158642 Pentek Slim Line Filter Housing - Blue

    Fits standard 3/8-inch water lines Learn More
    $19.99 Retail Price:  $25.29
  23. ZP-006 ZeroWater 6-cup Space Saver Water Pitcher - Blue
  24. K27PPS-BP Klean Kanteen 27 oz. Stainless Steel Filtered Water Bottle with Sport-Top – Blue Planet
  25. 158129 Pentek SlimLine Water Filter Housing (3/8 Inch)

    158129 Pentek SlimLine Water Filter Housing (3/8 Inch)

    Built to fit 20-inch x 2.5-inch water filters Learn More
    $29.99 Retail Price:  $36.79

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