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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 97 to 144 of 314 total

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  • W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    $55.81 Retail Price:  $66.48
  • W9142010 Doulton Replacement Ceramic Filter

    W9142010 Doulton Replacement Ceramic Filter

    $15.99 Retail Price:  $18.39
  • W9223026 Doulton Replacement Ceramic Filter
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $135.99 Retail Price:  $158.65
  • FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    $8.99 Retail Price:  $12.64
  • 7DM Everpure Replacement Filter Cartridge

    7DM Everpure Replacement Filter Cartridge

    $93.99 Retail Price:  $128.79
  • 7-NE Everpure pH Neutralizing Replacement Filter Cartridge
  • BH-2 Everpure Replacement Filter Cartridge

    BH-2 Everpure Replacement Filter Cartridge

    $53.99 Retail Price:  $70.14
  • EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    $20.99 Retail Price:  $33.34
  • EV9300-15 Everpure proseries 1500 Replacement Filter Cartridge
  • EV9300-25 Everpure proseries 2500 Replacement Filter Cartridge
  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge
  • EV9592-06 Everpure ADC RV and Marine Water Filter Replacement Cartridge
  • EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    $41.99 Retail Price:  $45.99
  • EV9607-25 Everpure ESO 7 Softening System Replacement Cartridge
  • EV9611-00 Everpure 4H Replacement Filter Cartridge

    EV9611-00 Everpure 4H Replacement Filter Cartridge

    $47.99 Retail Price:  $57.49
  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99 Retail Price:  $59.79
  • EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    $49.95 Retail Price:  $59.74
  • EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $81.00 Retail Price:  $95.45
  • EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    $66.30 Retail Price:  $78.55
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    $64.99 Retail Price:  $66.69
  • EV9720-06 Everpure S-54 Replacement Filter Cartridge

    EV9634-26 Everpure S-54 Water Filter Cartridge

    $59.99 Retail Price:  $71.29
  • THM-1 Everpure Replacement Filter Cartridge

    THM-1 Everpure Replacement Filter Cartridge

    $103.05 Retail Price:  $157.54
  • THM-2 Everpure Replacement Filter Cartridge

    THM-2 Everpure Replacement Filter Cartridge

    $86.99 Retail Price:  $106.94
  • RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  • 4US-MAXL-F01 Filtrete Replacement Filter Cartridge
  • 4US-MAXL-S01 Filtrete Single Stage Drinking Water System
  • 4US-MAXS-F01 Filtrete Replacement Filter Cartridge

    4US-MAXS-F01 3M Filtrete Water Filter Cartridge

    $20.99 Retail Price:  $25.29
  • 4US-MAXS-S01 Filtrete Single Stage Drinking Water System
  • FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane
  • FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set
  • FQSLF GE SmartWater Undersink Filter Set

    FQSLF GE SmartWater Undersink Filter Set (2 Filters)

    $38.99 Retail Price:  $50.00
  • FQSVF GE SmartWater Undersink Filter Set (packaging)
  • FRC1D OmniFilter Faucet Filter Replacement Cartridge

    FRC1D OmniFilter Faucet Filter Replacement Cartridge

    $6.99 Retail Price:  $12.41
  • FXMLH GE Faucet Filter Replacement Cartridge
  • FXSVC GE SmartWater Undersink Filter Set

    FXSVC GE SmartWater Undersink Filter Set

    $60.99 Retail Price:  $72.34
  • FXUVC GE SmartWater Undersink Filter Replacement Cartridge
  • GXFM07HBL GE Faucet Filter System
  • GXRLQ GE SmartWater Inline Filter System

    GXRLQ GE SmartWater Inline Filter System

    $33.99 Retail Price:  $36.79
  • GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    $32.99 Retail Price:  $34.99
  • GXRTDR GE SmartWater Inline Filter Cartridge

    GXRTDR GE SmartWater Inline Filter Cartridge

    $18.99 Retail Price:  $20.69
  • GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    $19.99 Retail Price:  $31.99
  • HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    $7.99 Retail Price:  $9.19
  • ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $7.05 Retail Price:  $9.19
  • ICF-10Q Hydronix Inline Coconut Carbon Filter

    ICF-10Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  • ICF-10Q38 Hydronix Inline Coconut Carbon Filter

    ICF-10Q38 Hydronix Inline Coconut Carbon Filter

    $8.99 Retail Price:  $11.49

Items 97 to 144 of 314 total

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