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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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  • 3M Aqua-Pure AP-250R Under Sink Water Filter

    AP-250R 3M Aqua-Pure Undersink Water Filter Cartridge

    $29.99 Retail Price:  $41.39
  • 3M Aqua-Pure AP-DW70 Undersink Filter Replacement Cartridge
  • EP35R 3M Aqua-Pure Water Filter Cartridge

    EP35R 3M Aqua-Pure Replacement Water Filter Cartridge

    $115.99 Retail Price:  $123.04
  • WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    $151.46 Retail Price:  $201.95
  • WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    $138.71 Retail Price:  $184.95
  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • C-2 Culligan RV Filter Replacement Cartridge (2-Pack)
  • P-124B Cuno Whole House Filter Replacement Cartridge

    P-124B Cuno Whole House Water Filter Cartridge

    $97.05 Retail Price:  $128.79
  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $81.00 Retail Price:  $95.45
  • CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    $105.99 Retail Price:  $108.34
  • GAC-5 Pentek Replacement Filter Cartridge
  • OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    $112.99 Retail Price:  $132.24
  • WHED20 Whirlpool Undersink Water Filtration System

    WHED20 Whirlpool Undersink Water Filtration System

    $105.99 Retail Price:  $124.19
  • WHERF Whirlpool Reverse Osmosis System Pre and Post Filter Set
  • BG-3000 Body Glove Water Filtration System

    BG-3000 Body Glove Water Filtration System

    $392.96 Retail Price:  $441.59

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