Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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 107 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Ascending Direction
  • LSJC10 Lifesaver 10000UF Jerrycan
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • AMERICAN-PLUMBER-W5CIP478

    AMERICAN-PLUMBER-W5CIP478

    $16.99
    MSRP: $17.24
    Save 1%
  • AMERICAN-PLUMBER-WICA

    AMERICAN-PLUMBER-WICA

    $14.09
    MSRP: $18.50
    Save 24%
  • AQUA-PURE-IL-IM-01

    AQUA-PURE-IL-IM-01

    $18.99
    MSRP: $24.14
    Save 21%
  • CULLIGAN-750R-D

    CULLIGAN-750R-D

    $17.99
  • CULLIGAN-IC-100-D

    CULLIGAN-IC-100-D

    $12.99
    MSRP: $16.78
    Save 23%
  • IC-750 Culligan Inline Filter
  • CULLIGAN-IC-EZ-1

    CULLIGAN-IC-EZ-1

    $20.99
    MSRP: $27.13
    Save 23%
  • CULLIGAN-RC-EZ-1

    CULLIGAN-RC-EZ-1

    $15.99
    MSRP: $17.93
    Save 11%
  • RV-EZ-1 Culligan Level 1 Easy-Change RV Inline Filter System
  • CULLIGAN-TS-500

    CULLIGAN-TS-500

    $27.99
    MSRP: $31.04
    Save 10%
  • CULLIGAN-US-EZ-1

    CULLIGAN-US-EZ-1

    $35.99
    MSRP: $45.76
    Save 21%
  • CFS517 Cuno Whole House Filter Replacement Cartridge

    CFS517 Cuno Whole House Filter Replacement Cartridge

    $62.05
    MSRP: $87.39
    Save 29%
  • CFS8720 Cuno Whole House Filter Replacement Cartridge

    CFS8720 Cuno Whole House Filter Replacement Cartridge

    $52.05
    MSRP: $61.97
    Save 16%
  • CFS8720-S Cuno Whole House Filter Replacement Cartridge

    CFS8720-S Cuno Whole House Filter Replacement Cartridge

    $58.05
    MSRP: $64.39
    Save 10%
  • CFS9720 Cuno Whole House Filter Replacement Cartridge

    CFS9720 Cuno Whole House Filter Replacement Cartridge

    $45.05
    MSRP: $61.97
    Save 27%
  • CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    $57.99
    MSRP: $60.94
    Save 5%
  • HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS Cuno Whole House Filter Replacement Cartridge

    $50.05
    MSRP: $68.30
    Save 27%
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $104.99
    MSRP: $118.30
    Save 11%
  • W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  • W9377010 Doulton Gravity Filter System
  • FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    $8.99
    MSRP: $12.64
    Save 29%
  • BH-2 Everpure Replacement Filter Cartridge

    BH-2 Everpure Replacement Filter Cartridge

    $53.99
    MSRP: $70.14
    Save 23%
  • EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    $41.99
    MSRP: $45.99
    Save 9%
  • EV9611-00 Everpure 4H Replacement Filter Cartridge

    EV9611-00 Everpure 4H Replacement Filter Cartridge

    $47.99
    MSRP: $57.49
    Save 17%
  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99
    MSRP: $59.79
    Save 11%
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65
    MSRP: $65.54
    Save 29%
  • EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge
  • FXUTC

    FXUTC

    $22.99
  • GXRTDR

    GXRTDR

    $18.99
    MSRP: $24.19
    Save 21%
  • HYDROLOGIC-22017

    HYDROLOGIC-22017

    $54.99
    MSRP: $71.29
    Save 23%
  • HYDRONIX-HDG-CB-AC10

    HYDRONIX-HDG-CB-AC10

    $7.99
    MSRP: $9.19
    Save 13%
  • EPM-10 Pentek Undersink Filter Replacement Cartridge

    EPM-10 Pentek Undersink Filter Replacement Cartridge

    $9.99
    MSRP: $10.57
    Save 5%
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    $24.69
    MSRP: $30.69
    Save 20%
  • IC-101L Pentek Inline Filter
  • QC10-GAC Pentek Undersink Quick-Change Filter System

    QC10-GAC Pentek Quick-Change Water Filter System

    $22.99
    MSRP: $30.69
    Save 25%
  • QC10-GACR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • R200

    R200

    $14.99
    MSRP: $16.09
    Save 7%
  • SPRITE-HM8-CM

    SPRITE-HM8-CM

    $50.99
    MSRP: $58.64
    Save 13%
  • 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge
  • 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  • WSRV-8 Water Sentinel Inline RV Water Filter

    WSRV-8 Water Sentinel Inline RV Water Filter

    $31.99
    MSRP: $36.79
    Save 13%
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge

    MAXETW-975 Watts C-MAX Replacement Water Filter Cartridge

    $11.99
    MSRP: $13.79
    Save 13%
  • WHKF-IMTO Whirlpool Inline Filter

    WHKF-IMTO Whirlpool Inline Filter

    $11.99
    MSRP: $14.94
    Save 20%
  • KX-MATRIKX-PB1-10

    KX-MATRIKX-PB1-10

    $19.99
  • KX-PLEKX-10-10

    KX-PLEKX-10-10

    $12.99

Items 1 to 48 of 107 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Ascending Direction
Scroll To Top