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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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  • CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    $16.99 Retail Price:  $19.34
  • P5-10BB Tier1 Sediment Water Filter (4-pack)
  • SDC-45-1005 Hydronix Whole House Sediment Filter Cartridge (6-Pack)
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • DGD-5005 Pentek Whole House Filter Cartridge
  • ECP5-BB Pentek Whole House Water Filter

    ECP5-BB Pentek Whole House Filter Replacement Cartridge

    As Low As $10.20 Per Filter

  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    As Low As $22.00 Per Filter

  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    As Low As $7.75 Per Filter

  • Pentek WP5BB97P Replacement Water Filter Cartridge

    WP5BB97P Pentek Replacement Filter Cartridge

    As Low As $17.50 Per Filter

  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    As Low As $15.60 Per Filter

  • TO6-SS2-S06 OmniFilter Whole House Water 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
  • 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    $103.99 Retail Price:  $137.99
  • 3M Aqua-Pure AP810 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP815 Whole House Water Filter
  • CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • 4WH-HDGAC-F01 Filtrete Replacement Filter Cartridge

    4WH-HDGAC-F01 3M Filtrete Water Filter Cartridge

    $32.99 Retail Price:  $41.39
  • 4WH-HDGR-F01 Filtrete Replacement Filter Cartridge

    4WH-HDGR-F01 3M Filtrete Water Filter Cartridge

    $18.99 Retail Price:  $19.54
  • HB-10-5W Harmsco Calypso Blue Replacement Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WPX5BB97P Pentek Whole House Filter Replacement Cartridge
  • MATRIKX-CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • RS15 OmniFilter Whole House Replacement Filter Cartridge
  • DBC-10EX2 Pentek Replacement Filter Cartridge

    DBC-10EX2 Pentek Water Filter Cartridge Replacement

    $43.99 Retail Price:  $57.95
  • CQE-RC-04035 Crystal Quest Carbon Block Water Filter Cartridge
  • SWC-45-1005 Hydronix String Wound Sediment Water Filter

    SWC-45-1005 Hydronix String Wound Sediment Water Filter

    $15.99 Retail Price:  $19.54
  • KDF55-10BB Tier1 Water Filter

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