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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.

Items 1 to 48 of 71 total

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  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • P1-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • P5-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • RFC-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • CFS8812X Cuno Whole House Filter Replacement Cartridge

    CFS8812X Cuno Whole House Filter Replacement Cartridge

    $66.05 Retail Price:  $71.29
  • CFS8812X-S Cuno Whole House Filter Replacement Cartridge

    CFS8812X-S Cuno Whole House Filter Replacement Cartridge

    $74.99 Retail Price:  $77.04
  • CFS9812X Cuno Whole House Filter Replacement Cartridge

    CFS9812X Cuno Whole House Filter Replacement Cartridge

    $66.99 Retail Price:  $72.09
  • CFS9812X-S Cuno Whole House Filter Replacement Cartridge

    CFS9812X-S Cuno Whole House Filter Replacement Cartridge

    $65.05 Retail Price:  $78.19
  • HF20 Cuno Whole House Filter Replacement Cartridge

    HF20 Cuno Whole House Filter Replacement Cartridge

    Regular Price: $64.99

    Special Price: $50.05

  • HF20-MS Cuno Whole House Filter Replacement Cartridge

    HF20-MS Cuno Whole House Filter Replacement Cartridge

    $71.99 Retail Price:  $73.36
  • HF20-S Cuno Whole House Filter Replacement Cartridge

    HF20-S Cuno Whole House Filter Replacement Cartridge

    $68.99 Retail Price:  $86.24
  • PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    $999.99 Retail Price:  $1152.29
  • 4CB5 Everpure Replacement Filter Cartridge

    4CB5 Everpure Replacement Filter Cartridge

    $49.99 Retail Price:  $59.79
  • DEV9108-17 Everpure CostGuard CG5-10S Undersink Filter Replacement Cartridge
  • EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    $218.99 Retail Price:  $273.69
  • EV9612-56 Everpure MC2 Replacement Filter Cartridge

    EV9612-56 Everpure MC2 Replacement Filter Cartridge

    $77.99 Retail Price:  $98.70
  • EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    $68.99 Retail Price:  $80.71
  • EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    $69.00 Retail Price:  $81.65
  • i20002 Everpure Replacement Filter Cartridge

    i20002 Everpure Replacement Filter Cartridge

    $74.99 Retail Price:  $111.00
  • CB-25-1005 Hydronix Replacement Filter Cartridge
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $14.99 Retail Price:  $17.34
  • GAC-10 Pentek Undersink Filter Replacement Cartridge

    GAC-10 Pentek Undersink Filter Replacement Cartridge

    $12.99 Retail Price:  $17.99
  • PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • SSMRC1 Scotsman Ice Machine Replacement Water Filter

    SSMRC1 Scotsman Ice Machine Replacement Water Filter

    $109.99 Retail Price:  $128.79
  • FXS-CM-S3 Sprite ShowerUp Shower Filter System and Extension Arm

    FXS-CM-S3 Sprite ShowerUp Shower Filter System and Extension Arm

    Regular Price: $74.05

    Special Price: $64.05

  • 1120070 Katadyn Siphon Filter

    1120070 Katadyn Siphon Filter

    $79.95 Retail Price:  $94.24
  • MATRIKX-5-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • LSJC20 Lifesaver 20000UF Jerrycan
  • LSJC20RC Lifesaver 20000UF Jerrycan Replacement Filter Cartridge
  • K00374 Manitowoc Arctic Pure Replacement Ice Maker Filter Cartridge

    K00374 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    $44.99 Retail Price:  $59.79
  • C8 Pentek Whole House Replacement Filter Cartridge
  • CC-10 Pentek Undersink Filter Replacement Cartridge

    CC-10 Pentek Undersink Filter Replacement Cartridge

    $14.99 Retail Price:  $15.34
  • CEP-10E Pentek Replacement Filter Cartridge

    CEP-10E Pentek Replacement Filter Cartridge

    $12.99 Retail Price:  $16.34
  • HHC-2 Sprite Handheld Shower Filter Cartridge (2-Pack)

    HHC-2 Sprite Handheld Shower Filter Cartridge (2-Pack)

    $16.99 Retail Price:  $20.69
  • 3M AquaPure 3MFF101 Whole House Water Filter Cartridge

    3MFF101 3M Aqua-Pure Replacement Water Filter Cartridge

    $200.99 Retail Price:  $209.29
  • 3M AquaPure 3MFF100 Drinking Water Filter System
  • HDG-P117 Hydronix Replacement Water Filter
  • WI-BG6000FF Body Glove Water Filter System

    WI-BG6000FF Body Glove Water Filter System

    $475.46 Retail Price:  $524.95
  • WI-BG6000FFC Body Glove Water Filter Cartridge

    WI-BG6000FFC Body Glove Water Filter Cartridge

    $290.21 Retail Price:  $386.95

Items 1 to 48 of 71 total

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