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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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.

Items 1 to 48 of 96 total

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  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • ECP20-BB Pentek Replacement Filter Cartridge (6-Pack)
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    As Low As $19.16 Per Filter

  • SDC-45-2020 Hydronix Sediment Water Filter

    SDC-45-2020 Hydronix Sediment Water Filter Cartridge

    As Low As $18.83 Per Filter

  • SPC-45-2020 Hydronix Pleated Sediment Filter
  • DGD-2501-20 Pentek Whole House Sediment Filter
  • DGD-5005-20 Pentek Whole House Water Filter
  • DGD-7525-20 Pentek Whole House Water Filter
  • Pentek ECP1-20BB Replacement Water Filter Cartridge

    ECP1-20BB Pentek Replacement Filter Cartridge

    As Low As $23.00 Per Filter

  • Pentek ECP1-BB Replacement Water Filter Cartridge

    ECP1-BB Pentek Replacement Filter Cartridge

    As Low As $12.83 Per Filter

  • Pentek ECP20-20BB Replacement Water Filter Cartridge

    ECP20-20BB Pentek Replacement Filter Cartridge

    As Low As $21.33 Per Filter

  • Pentek ECP20-BB Replacement Water Filter Cartridge

    ECP20-BB Pentek Replacement Filter Cartridge

    As Low As $12.00 Per Filter

  • ECP5-20BB Pentek Whole House Filter Cartridge
  • ECP5-BB Pentek Whole House Water Filter

    ECP5-BB Pentek Whole House Filter Replacement Cartridge

    As Low As $10.20 Per Filter

  • Pentek ECP50-20BB Replacement Water Filter Cartridge

    ECP50-20BB Pentek Replacement Filter Cartridge

    As Low As $22.67 Per Filter

  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • Pentek WP25BB97P Whole House Water Filter Replacement Cartridge
  • Pentek WP5BB97P Replacement Water Filter Cartridge

    WP5BB97P Pentek Replacement Filter Cartridge

    As Low As $17.50 Per Filter

  • Pentek WPX25BB97P Whole House Water Filter Replacement Cartridge
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    $11.99 Retail Price:  $13.56
  • Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Hydronix SDC-25-4025 Polypropylene Sediment Filter

    $12.99 Retail Price:  $14.34
  • Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Hydronix SDC-25-4075 Polypropylene Sediment Filter

    $12.99 Retail Price:  $14.34
  • W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W20CLHD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • W30PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP110-3 Whole House Water Filter

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

    $29.99 Retail Price:  $34.49
  • 3M Aqua-Pure AP124-3 Water Filter

    AP124-3 3M Aqua-Pure Replacement Water Filter

    $29.99 Retail Price:  $35.64
  • 3M Aqua-Pure AP810 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP811 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP811-2 Whole House Water Filter
  • 3M Aqua-Pure AP814 Whole House Water Filter
  • 3M Aqua-Pure AP814-2 Whole House Water Filter
  • 3M Aqua-Pure AP817-2 Whole House Water Filter Cartridge
  • CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • HB-20-1W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-20W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-50W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge
  • HC40-5 Harmsco Replacement Filter Cartridge

    HC40-5 Harmsco Replacement Filter Cartridge

    $92.99 Retail Price:  $95.34
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • HFPP-112-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  • KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    $4.99 Retail Price:  $5.85

Items 1 to 48 of 96 total

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