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

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Water Filtration Systems, Filters, & Parts

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. 3WH-HD-S01 Filtrete Whole House Sump System
  2. 4WH-QCTO-S01 Filtrete Whole House Filter System
  3. 4WH-QS-S01 Filtrete Whole House Filter System
  4. 150235 Pentek Whole House Filter System

    150235 Pentek Whole House Filter System

    Fits standard 1.5-inch water lines Learn More
    $64.99 MSRP:  $73.36
  5. 150574 Pentek Filter Housing - Blue

    150574 Pentek Filter Housing - Blue

    Fits 3/4-inch pipe Learn More
    $33.99 MSRP:  $34.26
  6. 150576 Pentek Filter Housing - Blue

    150576 Pentek Filter Housing - Blue

    Fits 3/4-inch pipe Learn More
    $38.99 MSRP:  $48.52

    Out of stock

  7. 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 MSRP:  $28.74
  8. 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 MSRP:  $15.28

    Out of stock

  9. 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 MSRP:  $40.24
  10. 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 MSRP:  $57.95
  11. 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 MSRP:  $25.29
  12. 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 MSRP:  $36.79
  13. 3M Aqua-Pure AP902 Whole House Water Filter

    AP902 3M Aqua-Pure Whole House Water Filtration System

    Fits multiple styles of water filter cartridge, based on your water quality Learn More
    $204.99 MSRP:  $238.04

    Out of stock

  14. 150069 Pentek 20” Water Filter Housing

    150069 Pentek 20-inch Water Filter Housing

    Accepts water filter cartridges with diameters between 2 1/2 and 2 7/8 inches Learn More
    $34.99 MSRP:  $49.44
  15. Pentek 158114 10-inch Standard Filter Housing

    Pentek 158114 10-inch Standard Filter Housing

    Receives any standard 10 inch by 2.5 inch filter cartridge Learn More
    $12.99 MSRP:  $15.34
  16. Pentek 150070 20 inch Blue Standard Filter Housing

    Pentek 150070 20 inch Blue Standard Filter Housing

    Standard size accepts thousands of 20 inch by 2.5 inch filter cartridges Learn More
    $36.99 MSRP:  $43.69
  17. 31051 Hydrologic Triton DI100 Aquarium Reverse Osmosis System
  18. BOTTLE-BLUE-FILTER-INSIDE Brita 20-Ounce Water Purifier Bottle - Blue
  19. 20Z-NBL Built NY Bottle Tote - Blue
  20. BBY-1TT-BLU Built NY Thirsty Bottle Tote - Blue
  21. HBSF-Blu Hydros Side-Fill Water Purifier Bottle - Blue Lid
  22. 1-04101-OT-B-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - Blue - 1
  23. 8014200 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Blue
  24. 8014522 Katadyn Micro Ultralight Series 21-Ounce Personal Water Purifier Bottle - Blue
  25. 8017756 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Blue Splash

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