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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 157 total

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  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • W9222900 Doulton Ceramic Water Filter
  • W9222909 Doulton Imperial SuperCarb OBE Replacement Element
  • 22160 Triton Replacement Sediment Filter Cartridge by Hydrologic
  • K2586-KK Omnipure Inline Water Filter

    K2586-KK Omnipure Inline Water Filter

    $12.99 Retail Price:  $17.99
  • ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $14.99 Retail Price:  $19.99
  • DuPont WFRO60X Quick Twist Reverse Osmosis System
  • DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99 Retail Price:  $17.99
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99 Retail Price:  $237.99
  • CHLORPLUS-10 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • Pentek CHLORPLUS-10 Whole House Water Filter Replacement Cartridge
  • NCP-20BB Pentek Whole House Filter Replacement
  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    As Low As $15.60 Per Filter

  • AP327 3M Aqua-Pure Water Filter Replacement Cartridge
  • DW-2000-RB American Plumber Replacement Filter Cartridge

    DW-2000-RB American Plumber Replacement Filter Cartridge

    $59.99 Retail Price:  $61.28
  • DW-200-R American Plumber Undersink Filter Replacement Cartridge
  • WIC-6A American Plumber Inline Icemaker Filter

    WIC-6A American Plumber Inline Icemaker Filter

    $13.99 Retail Price:  $14.94
  • WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  • 100186 Amway eSpring Replacement Filter Cartridge
  • 110194 Amway eSpring Replacement Filter Cartridge
  • 110720 Amway eSpring UV Water Purification System
  • 3M Aqua-Pure AP200 Under Sink Water Filter

    AP200 3M Aqua-Pure Undersink Water Filtration System

    Regular Price: $104.99

    Special Price: $87.05

  • 3M Aqua-Pure AP22 Under Sink Water Filter
  • 3M Aqua-Pure AP317 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP517 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99 Retail Price:  $34.49
  • 3M Aqua-Pure AP-DW85 Water Filter Replacement Cartridge
  • C-CS-FF 3M Aqua-Pure Undersink Water Filter

    C-CS-FF 3M Aqua-Pure Undersink Water Filter Cartridge

    $43.99 Retail Price:  $48.06
  • C-CYST-FF 3M Aqua-Pure Undersink Water Filter

    C-CYST-FF 3M Aqua-Pure Undersink Water Filter Cartridge

    $52.99 Retail Price:  $56.34
  • EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    $69.99 Retail Price:  $82.79
  • EP25 3M Aqua-Pure Whole House Water Filter

    EP25 3M Aqua-Pure Whole House Water Filter Cartridge

    $91.99 Retail Price:  $111.54
  • AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    $28.99 Retail Price:  $32.19
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21 Retail Price:  $386.95
  • CB1 OmniFilter Undersink Filter Replacement Cartridge
  • CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    $70.99 Retail Price:  $83.94
  • CQE-RC-04051 Crystal Quest Arsenic Multi Replacement Filter Cartridge
  • D-20A Culligan Level 1 Undersink Water Filter Replacement Cartridge
  • D-28 Culligan Level 1 Undersink Filter Replacement Cartridge
  • D-30 Culligan Level 2 Undersink Filter Replacement Cartridge
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • RV-500A Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • US-600 Culligan Slim Undersink Filter System

    US-600 Culligan Slim Undersink Filter System

    $35.99 Retail Price:  $41.39
  • CS-51 Cuno Inline Filter

    CS-51 Cuno Inline Filter

    $39.99 Retail Price:  $42.34

Items 1 to 48 of 157 total

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