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. NCP-BB Pentek Whole House Water Filter
  2. NCP-20BB Pentek Whole House Filter Replacement

    NCP-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek Big Blue and most standard 20-inch heavy duty housings that use 20-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $33.33 Per Filter

  3. EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    Fits most standard 20 x 4.5-inch housings Learn More
    $36.99 MSRP:  $48.99
  4. EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    Fits most standard 20 x 4.5-inch housings Learn More

    As Low As $0.00 Per Filter

  5. W30PE American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)

    W30PE American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More

    As Low As $6.33 Per Filter

  6. Pentek PO1HE2 Polypropylene High Efficiency Filter Bag

    Pentek PO1HE2 Polypropylene High Efficiency Filter Bag

    Standard #2 size with 7 inch diameter by 32 inch length fits many common bag filter housings Learn More
    $32.09 MSRP:  $40.99
  7. QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  8. LF-EC25-CP Tier1 Contemporary Ceramic Faucet - Chrome

    LF-EC25-CP Tier1 Contemporary Ceramic Faucet - Chrome

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
    $30.99 MSRP:  $51.74
  9. QC10-CB1 Pentek Undersink Quick-Change Filter System
  10. FU-WDF-103-B Tier1 Long-Reach Black Faucet FCT-LR-B - Black

    FU-WDF-103-B Tier1 Long-Reach Black Faucet FCT-LR-B - Black

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
    $32.99 MSRP:  $34.49

    Out of stock

  11. LF-BLRAG-BN Tier1 Low Lead Air Gap Faucet - Brushed Nickel

    LF-BLRAG-BN Tier1 Low Lead Air Gap Faucet - Brushed Nickel

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
    $32.99 MSRP:  $42.84

    Out of stock

  12. HFPP-1-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  13. P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More
    $33.99 MSRP:  $44.99
  14. P-250A Pentek Undersink Filter Set

    P-250A Pentek Undersink Filter Set

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More
    $33.99
  15. QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System
  16. LF-EC32-CP Tier1 Classic Ceramic Faucet - Chrome

    LF-EC32-CP Tier1 Classic Ceramic Faucet - Chrome

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
  17. EP-30 Pentek Replacement Filter Cartridge

    EP-30 Pentek Replacement Water Filter Cartridge

    Built to fit into water filtration system housings that use 30-inch x 2.5-inch filter cartridges Learn More
    $38.49 MSRP:  $67.99
  18. WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge

    WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge

    Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More
    $35.99 MSRP:  $39.99
  19. FLOPLUS-20 Pentek Replacement Filter Cartridge

    FLOPLUS-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 20-inch x 2.5-inch water filter cartridges Learn More
    $30.99 MSRP:  $38.99
  20. 3G-STANDARD-34-PR20 Pentek Whole House Standard 20 inch Filter Housing
  21. CBC-20 Pentek Replacement Filter Cartridge

    CBC-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $32.77
  22. WPX100BB20P Pentek Replacement Filter Cartridge

    WPX100BB20P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $32.99 MSRP:  $33.11
  23. 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
  24. SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 5 micron. Fits into most 20-inch Big Blue water filtration housings and replaces Liquatec SWF-45-2005, Pentek 355223-43 and Watts SF5-20-425 water filters Learn More
    $32.99
  25. 150574 Pentek Filter Housing - Blue

    150574 Pentek Filter Housing - Blue

    Fits 3/4-inch pipe Learn More
    $33.99 MSRP:  $34.26

Items 1 to 25 of 38 total

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