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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.

18 Item(s)

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  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1
  • ECP20-20 Pentek Replacement Filter Cartridge (20-Pack)
  • ECP20-20 Pentek Replacement Filter Cartridge (6-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (20-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (6-Pack)
  • P5-20 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • Pentek ECP20-20 Replacement Water Filter Cartridge

    ECP20-20 Pentek Replacement Filter Cartridge

    As Low As $11.25 Per Filter

  • Pentek P1-20 Whole House Water Filter Replacement Cartridge

    P1-20 Pentek Whole House Filter Replacement Cartridge

    As Low As $9.75 Per Filter

  • P5-20 Tier1 Sediment Water Filter

    P5-20 Tier1 Whole House Sediment Water Filter

    As Low As $4.48 Per Filter

  • SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • ECP1-20 Pentek Replacement Filter Cartridge

    ECP1-20 Pentek Replacement Filter Cartridge

    $15.99 Retail Price:  $17.70
  • ECP50-20 Pentek Replacement Filter Cartridge

    ECP50-20 Pentek Replacement Filter Cartridge

    $14.99 Retail Price:  $17.70
  • SPC-25-2020 Hydronix Pleated Sediment Water Filter

    SPC-25-2020 Hydronix Pleated Sediment Water Filter

    $10.99 Retail Price:  $16.09
  • SPC-25-2005 Hydronix Pleated Sediment Water Filter

    SPC-25-2005 Hydronix Pleated Sediment Water Filter

    $10.99 Retail Price:  $16.09
  • SPC-25-2001 Hydronix Pleated Sediment Water Filter

    SPC-25-2001 Hydronix Pleated Sediment Water Filter

    $12.99 Retail Price:  $16.09
  • SPC-25-2010 Hydronix Pleated Sediment Water Filter

    SPC-25-2010 Hydronix Pleated Sediment Water Filter

    Regular Price: $10.99

    Special Price: $6.05

  • SPC-25-2030 Hydronix Pleated Sediment Water Filter

    SPC-25-2030 Hydronix Pleated Sediment Water Filter

    $10.99 Retail Price:  $12.64

18 Item(s)

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