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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.

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  • 31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    $153.99
    MSRP: $183.95
    Save 16%
  • Pentair HEPP10-40DB Pureflex High Efficiency

    Pentair HEPP10-40DB Pureflex High Efficiency

    $93.99
    MSRP: $113.99
    Save 18%
  • Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    $107.99
    MSRP: $130.99
    Save 18%
  • Pentair NEPP12-20DB Pureflex Pleated Polypropylene Cartridge
  • Pentair NEPP2-20DB Pureflex Pleated Polypropylene Cartridge
  • Hydronix SDC-25-1020 20-Pack Whole House Replacement Sediment Filter Cartridge
  • SDC-45-2020 Hydronix Sediment Water Filter 6-Pack
  • SWC-45-1001 Hydronix String-Wound Sediment Water Filter (20-Pack)
  • CW-MF Pentek Whole House Filter Replacement Cartridge (30-Pack)
  • DGD-2501 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • DGD-2501-20 Pentek Whole House Replacement Sediment Filter (6-Pack)
  • DGD-2501 Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • DGD-2501 Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (50-Pack)
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-7525 Pentek Whole House Replacement Sediment Filter (20-Pack)
  • DGD-7525 Pentek Whole House Replacement Sediment Filter (6-Pack)
  • 3M Aqua-Pure AP410 Water Filter Cartridges
  • 3M Aqua-Pure AP420 Water Filter Replacement Cartridge
  • CFS9812X Cuno Whole House Filter Replacement Cartridge
  • 3/4-100HT-F Rusco Hot Water Spin-Down Filter System

    3/4-100HT-F Rusco Hot Water Spin-Down Filter System

    $120.99
    MSRP: $141.44
    Save 14%
  • RUSCO-1-14-140HT-F

    1-1/4-140 HT-F Rusco Hot Water Spin-Down Filtration System

    $159.99
    MSRP: $186.29
    Save 14%

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