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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.

30 Item(s)

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  • C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    $54.99 Retail Price:  $89.00
  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    As Low As $40.50 Per Filter

  • 3M Aqua-Pure AP815 Whole House Water Filter
  • 3M Aqua-Pure AP815-2 Whole House Water Filter
  • 3M Aqua-Pure AP917R Water Filter Cartridge
  • C-CS-FF 3M Aqua-Pure Undersink Water Filter

    C-CS-FF 3M Aqua-Pure Undersink Water Filter Cartridge

    $43.99 Retail Price:  $48.06
  • 4CB5 Everpure Replacement Filter Cartridge

    4CB5 Everpure Replacement Filter Cartridge

    $49.99 Retail Price:  $59.79
  • 7CB5 Everpure Replacement Filter Cartridge

    7CB5 Everpure Replacement Filter Cartridge

    $62.99 Retail Price:  $75.89
  • 7CB5-S Everpure Replacement Filter Cartridge

    7CB5-S Everpure Replacement Filter Cartridge

    $75.99 Retail Price:  $86.24
  • EFS8002 Everpure Replacement Filter Cartridge

    EFS8002 Everpure Replacement Filter Cartridge

    $48.99 Retail Price:  $58.64
  • EFS8002-S Everpure Replacement Filter Cartridge

    EFS8002-S Everpure Replacement Filter Cartridge

    $49.99 Retail Price:  $59.79
  • EV4339-12 Everpure Claris L Replacement Hot Water Filter Cartridge

    EV4339-12 Everpure Claris L Hot Water Filter Cartridge

    $195.99 Retail Price:  $205.84
  • EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    $68.99 Retail Price:  $80.71
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65 Retail Price:  $65.54
  • EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    $69.00 Retail Price:  $81.65
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    $599.99 Retail Price:  $692.29
  • K00174 Manitowoc Tri-Liminator Replacement Ice Maker Filter Cartridge

    K00174 Manitowoc Tri-Liminator Ice Maker Filter

    $85.99 Retail Price:  $94.29
  • 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    $42.99 Retail Price:  $52.89
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge
  • KDF55-10BB Tier1 Water Filter
  • RC-5 Rainshow’r Replacement Water Filter

    RC-5 Rainshow’r Replacement Water Filter

    $51.99 Retail Price:  $65.99
  • BT-100 Rainshow’r Breakthrough Drinking Water Filtration System
  • 3M Aqua-Pure AP904 Carbon Water Filter

    AP904 3M Aqua-Pure Carbon Water Filter

    $278.99 Retail Price:  $330.00
  • 3M Aqua-Pure AP917HD Whole House Water Filter Cartridge

    AP917HD 3M Aqua-Pure Whole House Water Filter Replacement

    $148.99 Retail Price:  $173.64
  • 3M Aqua-Pure AP917HD-S Water Filter Cartridge

    AP917HD-S 3M Aqua-Pure Water Filter Cartridge

    $182.99 Retail Price:  $217.99

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