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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.

41 Item(s)

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  • F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • 3M Aqua-Pure APDWS1000 Undersink Water Filter System

    APDWS1000 Undersink Water Filter System by 3M Aqua-Pure

    $394.99 Retail Price:  $397.34
  • AP-DW80/90 3M Aqua-Pure Water Filter Set

    AP-DW80/90 3M Aqua-Pure Pre and Post Filter Set

    $116.99 Retail Price:  $198.46
  • 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
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $104.99 Retail Price:  $118.30
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  • W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $135.99 Retail Price:  $158.65
  • W9361122 Doulton Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    $199.97 Retail Price:  $232.27
  • W9381000 Doulton High Flow Multi Candle Filter Module

    W9381000 Doulton High Flow Multi Candle Filter Module

    $140.99 Retail Price:  $158.36
  • W9381100 Doulton Whole House Filter System
  • W9381101 Doulton Whole House Filter System
  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge
  • EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    $218.99 Retail Price:  $273.69
  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99 Retail Price:  $450.79
  • Quad-MC2 Everpure Replacement Filter Cartridge Kit

    Quad-MC2 Everpure Replacement Filter Cartridge Kit

    $299.99 Retail Price:  $301.29
  • CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    $105.99 Retail Price:  $108.34
  • US-1000 Pentek Undersink Filter System

    US-1000 Pentek Undersink Filter System

    $126.99 Retail Price:  $139.71
  • US-1500 Pentek Undersink Filter System with Monitor

    US-1500 Pentek Undersink Filter System with Monitor

    $166.99 Retail Price:  $195.37
  • SSMRC1 Scotsman Ice Machine Replacement Water Filter

    SSMRC1 Scotsman Ice Machine Replacement Water Filter

    $109.99 Retail Price:  $128.79
  • FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  • IOMQ Ice-O-Matic Replacement Ice Maker Pre-Filter Cartridge

    IOMQ Ice-O-Matic Ice Maker Pre-Filter Cartridge Replacement

    $109.99 Retail Price:  $110.39
  • K-202 Kohler Undersink Replacement Filter Cartridge

    K-202 Kohler Undersink Water Filter Cartridge

    $122.99 Retail Price:  $173.40
  • MATRIKX-Pb1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    $112.99 Retail Price:  $132.24
  • W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $147.05 Retail Price:  $174.79
  • W9331208 Doulton Countertop Filter System

    W9331208 Doulton HCS Countertop Water Filtration System

    $253.94 Retail Price:  $294.33
  • W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    $110.99 Retail Price:  $131.09
  • 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
  • EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    $125.99 Retail Price:  $147.19
  • C-200 Rainshow’r Condor Drinking Water Filtration System

    C-200 Rainshow’r Condor Drinking Water Filtration System

    $199.99 Retail Price:  $232.29
  • BT-300 Rainshow’r Breakthrough Drinking Water Filtration System
  • BG-1000 Body Glove Water Filtration System

    BG-1000 Body Glove Water Filtration System

    $327.05 Retail Price:  $390.99
  • BG-1000C Body Glove Replacement Water Filter Cartridge

    BG-1000C Body Glove Replacement Water Filter Cartridge

    $113.96 Retail Price:  $151.95
  • BG-3000 Body Glove Water Filtration System

    BG-3000 Body Glove Water Filtration System

    $392.96 Retail Price:  $441.59
  • 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

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