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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 96 total

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  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • W9222900 Doulton Ceramic Water Filter
  • CL6ROT33-A Omnipure GAC Inline Water Filter
  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $14.99 Retail Price:  $19.99
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99 Retail Price:  $237.99
  • Pentek CHLORPLUS-10 Whole House Water Filter Replacement Cartridge
  • 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
  • WIC-6A American Plumber Inline Icemaker Filter

    WIC-6A American Plumber Inline Icemaker Filter

    $13.99 Retail Price:  $14.94
  • 110720 Amway eSpring UV Water Purification System
  • 3M Aqua-Pure AP317 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
  • 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
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21 Retail Price:  $386.95
  • D-30 Culligan Level 2 Undersink Filter Replacement Cartridge
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $35.99 Retail Price:  $43.69
  • W9122021 Doulton SuperCarb Replacement Element
  • W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    $50.36 Retail Price:  $60.21
  • 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
  • EV9300-25 Everpure proseries 2500 Replacement Filter Cartridge
  • EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    $49.95 Retail Price:  $59.74
  • 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
  • FQSLF GE SmartWater Undersink Filter Set

    FQSLF GE SmartWater Undersink Filter Set (2 Filters)

    $38.99 Retail Price:  $50.00
  • GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    $19.99 Retail Price:  $31.99
  • 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
  • ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $23.99 Retail Price:  $26.34
  • ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $5.99 Retail Price:  $9.19
  • ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge
  • P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    $23.99 Retail Price:  $28.99
  • QC10-EP Pentek Undersink Quick-Change Filter System

    QC10-EP Pentek Quick-Change Filter System

    Regular Price: $29.99

    Special Price: $27.05

  • QC10-EPR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • QC10-TSGAC Pentek Undersink Quick-Change Filter System
  • QC10-TSGACR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • TS-101L Pentek Lime/Scale Inline Filter

    TS-101L Pentek Lime/Scale Inline Filter

    $11.99 Retail Price:  $15.28
  • US-1500 Pentek Undersink Filter System with Monitor

    US-1500 Pentek Undersink Filter System with Monitor

    $166.99 Retail Price:  $195.37
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99 Retail Price:  $9.19
  • Whirlpool WHAB-6009 Replacement Unit A Water Filter Cartridge

    WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    $36.99 Retail Price:  $77.99
  • Whirlpool WHAB-6010 Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    $48.99 Retail Price:  $62.09
  • GXRTQ GE SmartWater Inline Filter System
  • K-202 Kohler Undersink Replacement Filter Cartridge

    K-202 Kohler Undersink Water Filter Cartridge

    $122.99 Retail Price:  $173.40

Items 1 to 48 of 96 total

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