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 121 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
  • INSINKERATOR-F-201R

    INSINKERATOR-F-201R

    $67.99
    MSRP: $70.00
    Save 3%
  • INSINKERATOR-F-601R

    INSINKERATOR-F-601R

    $130.99
    MSRP: $134.42
    Save 3%
  • 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  • Everpure H-54 Water Filter Replacement Cartridge (EV9730-06)

    Everpure H-54 Water Filter Replacement Cartridge (EV9730-06)

    $71.24
    MSRP: $128.79
    Save 45%
  • FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1
  • AQUA-PURE-APDWS1000

    AQUA-PURE-APDWS1000

    $394.99
  • WFDW120009W DuPont Universal Drinking Water Filter System
  • WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge
  • WFDWC20001 DuPont Universal Drinking Water Carbon Block Cartridge
  • WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge
  • DUPONT-WFQTC90001
  • HYDRONIX-HDG-CB6-14

    HYDRONIX-HDG-CB6-14

    $29.99
    MSRP: $43.99
    Save 32%
  • NCP-BB Pentek Whole House Water Filter

    NCP-BB Pentek Whole House Filter Replacement Cartridge

    $32.99 MSRP: $36.34
    Save 9%
  • W5CIP American Plumber Whole House Carbon Water Filter by Tier1
  • D-10 Twin Culligan Comparable Whole House Carbon Water Filter by Tier1
  • D-15 Culligan Whole Comparable House Carbon Water Filter by Tier1
  • WH-STDCW-F02 Filtrete Comparable Whole House Carbon Filter by Tier1
  • C1 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • D-250A Culligan Comparable Under Sink Water Filter Set by Tier1
  • P-250 Pentek Comparable Under Sink Water Filter Set by Tier1
  • P-250A Pentek Comparable Under Sink Filter Set by Tier1

    P-250A Pentek Comparable Under Sink Filter Set by Tier1

    $24.99 MSRP: $41.99
    Save 40%
  • WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1
  • WHKF-DB2 Whirlpool Comparable Under Sink Water Filter by Tier1
  • W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • AMERICAN-PLUMBER-600R

    AMERICAN-PLUMBER-600R

    $31.99
    MSRP: $35.06
    Save 9%
  • AMERICAN-PLUMBER-WCC

    AMERICAN-PLUMBER-WCC

    $19.99
  • AMERICAN-PLUMBER-WGC478

    AMERICAN-PLUMBER-WGC478

    $13.99
    MSRP: $14.94
    Save 6%
  • AMERICAN-PLUMBER-WIC-600

    AMERICAN-PLUMBER-WIC-600

    $55.99
  • 3M Aqua-Pure AP-C78 Water Filter Replacement Cartridge
  • AQUAPURE-AP-DW80-90

    AQUAPURE-AP-DW80-90

    $116.99
    MSRP: $137.99
    Save 15%
  • AQUAPURE-APIL3R

    AQUAPURE-APIL3R

  • AQUAPURE-C-COMPLETE

    AQUAPURE-C-COMPLETE

    $66.99
    MSRP: $88.54
    Save 24%
  • AQUAPURE-C-CS-S

    AQUAPURE-C-CS-S

    $37.99
    MSRP: $42.54
    Save 11%
  • AQUAPURE-C-LC

    AQUAPURE-C-LC

    $50.99
    MSRP: $65.54
    Save 22%
  • CRYSTAL-QUEST-CQE-RC-04049

    CRYSTAL-QUEST-CQE-RC-04049

    $43.99
    MSRP: $66.69
    Save 34%
  • 01013029 Culligan Reverse Osmosis Filter Cartridge
  • CULLIGAN-1000R-D

    CULLIGAN-1000R-D

    $28.99
  • CULLIGAN-D-250A

    CULLIGAN-D-250A

    $30.99
    MSRP: $39.09
    Save 21%
  • CULLIGAN-D-40

    CULLIGAN-D-40

    $33.99
    MSRP: $38.51
    Save 12%
  • IC-1000 Culligan Inline Filter
  • CULLIGAN-IC-EZ-3

    CULLIGAN-IC-EZ-3

    $31.99
    MSRP: $38.51
    Save 17%
  • CULLIGAN-IC-EZ-4

    CULLIGAN-IC-EZ-4

    $56.99
    MSRP: $71.29
    Save 20%
  • CULLIGAN-RC-EZ-3

    CULLIGAN-RC-EZ-3

    $24.99
    MSRP: $31.04
    Save 19%
  • CULLIGAN-RC-EZ-4

    CULLIGAN-RC-EZ-4

    $40.99
    MSRP: $50.59
    Save 19%
  • CULLIGAN-RV-EZ-3

    CULLIGAN-RV-EZ-3

  • SY-1000 Culligan Water Filtration System
  • CULLIGAN-US-EZ-3

    CULLIGAN-US-EZ-3

    $68.99
  • CULLIGAN-US-EZ-4

    CULLIGAN-US-EZ-4

    $77.99
    MSRP: $86.24
    Save 10%

Items 1 to 48 of 121 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
Scroll To Top