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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.

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  • P5-20 Tier1 Sediment Water Filter

    P5-20 Tier1 Whole House Sediment Water Filter

    As Low As $4.48 Per Filter

  • 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    As Low As $3.82 Per Filter

  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    As Low As $4.56 Per Filter

  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1
  • EP-5 Pentek Replacement Filter Cartridge
  • HDG-SED-ACS Hydronix Replacement Filter Cartridge

    HDG-SED-ACS Hydronix Replacement Filter Cartridge

    $5.99 Retail Price:  $8.04
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WP-5 Pentek Replacement Filter Cartridge

    WP-5 Pentek Replacement Filter Cartridge

    $6.99 Retail Price:  $8.84
  • CFB-Plus10 Pentek Replacement Filter Cartridge

    CFB-Plus10 Pentek Replacement Water Filter Cartridge

    $9.99 Retail Price:  $14.13
  • SCWH-5 WTR Culligan Water Filter Cartridge

    SCWH-5 WTR Culligan Water Filter Cartridge

    $9.99 Retail Price:  $10.99

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