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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!
  • Our customer service team is guaranteed to answer your call!
  • 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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  • CW-MF Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $10.34
    Save 32%
  • P20 Pentek 10 x 2.5-inch Comparable Whole House Sediment Water Filter
  • FXUSC GE SmartWater Whole House Filter Replacement
  • WP-30 Pentek Whole House Filter Replacement Cartridge
  • PX30-9-78 Purtrex Replacement Filter Cartridge

    PX30-9-78 Purtrex Replacement Water Filter Cartridge

    $3.99
    MSRP: $6.89
    Save 42%
  • WHKF-WHPL Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  • GX30-9-78 Hytrex Replacement Filter Cartridge

    GX30-9-78 Hytrex Water Filter Cartridge

    $5.99
    MSRP: $8.61
    Save 30%
  • SPC-25-1030 Hydronix Pleated Sediment Water Filter

    SPC-25-1030 Hydronix Pleated Sediment Water Filter

    $6.99
    MSRP: $13.21
    Save 47%
  • SWC-25-1030 Hydronix String Wound Sediment Water Filter

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