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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.

Items 1 to 48 of 101 total

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  • AF-20-2015 Aries Comparable Sediment Water Filter by Tier1
  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    $126.05 Retail Price:  $171.99
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1
  • TIER1-DGD1-20BB Whole House Sediment Water Filter
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99 Retail Price:  $39.00
  • WB-HB-20-20W Harmsco Pleated Commercial Water Filter Cartridge
  •  WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-7525-20 Pentek Whole House Replacement Sediment Filter (6-Pack)
  • ECP1-20BB Pentek Replacement Filter Cartridge (6-Pack)
  • ECP20-20BB Pentek Replacement Filter Cartridge (6-Pack)
  • ECP5-20BB Pentek Whole House Filter Replacement 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
  • SPC-45-2050 Hydronix Pleated Sediment Water 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 ECP20-20BB Replacement Water Filter Cartridge

    ECP20-20BB Pentek Replacement Filter Cartridge

    As Low As $21.33 Per Filter

  • ECP5-20BB Pentek Whole House Filter Cartridge
  • Pentek ECP50-20BB Replacement Water Filter Cartridge

    ECP50-20BB Pentek Replacement Filter Cartridge

    As Low As $22.67 Per Filter

  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    As Low As $40.50 Per Filter

  • EPM-20BB Pentek Whole House Filter Cartridge
  • GAC20-BB Pentek Whole House Water Filter
  • NCP-20BB Pentek Whole House Filter Replacement
  • P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    As Low As $11.70 Per Filter

  • Tier1 P20-20BB Whole House Replacement Sediment Filter Cartridge
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    As Low As $30.00 Per Filter

  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1

Items 1 to 48 of 101 total

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