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When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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 75 total

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  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • P5-10BB Tier1 Sediment Water Filter (4-pack)
  • R30BB Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)
  • ECP1-BB Pentek Replacement Filter Cartridge (12-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (12-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (20-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (6-Pack)
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • DGD-2501-20 Pentek Whole House Sediment Filter
  • DGD-2501 Pentek Whole House Water Filter
  • DGD-5005 Pentek Whole House Filter Cartridge
  • DGD-7525 Pentek Whole House Sediment 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-BB Replacement Water Filter Cartridge

    ECP20-BB Pentek Replacement Filter Cartridge

    As Low As $12.00 Per Filter

  • ECP5-BB Pentek Whole House Water Filter

    ECP5-BB Pentek Whole House Filter Replacement Cartridge

    As Low As $10.20 Per Filter

  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    As Low As $22.00 Per Filter

  • Pentek EPM-BB Replacement Water Filter Cartridge

    EPM-BB Pentek Replacement Filter Cartridge

    As Low As $23.00 Per Filter

  • NCP-BB Pentek Whole House Water Filter

    NCP-BB Pentek Whole House Filter Replacement Cartridge

    As Low As $32.00 Per Filter

  • EPM-BB Pentek Comparable Carbon Whole House Water Filter
  • DGD-2501 Pentek Comparable Whole House Filter by Tier1
  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    As Low As $7.75 Per Filter

  • R30BB Pentek Comparable Whole House Water Filter by Tier1
  • 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
  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    As Low As $15.60 Per Filter

  • SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1
  • Pentek S1-BB Replacement Water Filter Cartridge

    S1-BB Pentek Replacement Filter Cartridge

    As Low As $5.40 Per Filter

  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $23.99 Retail Price:  $25.29
  • W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge

Items 1 to 48 of 75 total

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