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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 49 to 96 of 177 total

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  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $35.99 Retail Price:  $43.69
  • RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    $449.99 Retail Price:  $519.79
  • W9122021 Doulton SuperCarb Replacement Element
  • GXULQR GE Undersink Water Filter Replacement Cartridge
  • ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $7.99 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
  • CBF1-S-05 OmniFilter Undersink Filter System
  • GS-10ALS-JG14 Pentek Inline Filter System

    GS-10ALS-JG14 Pentek Inline Water Filter

    $13.39 Retail Price:  $17.70
  • US-1500 Pentek Undersink Filter System with Monitor
  • FRDM-RP-EF SteriPEN Portable UV System

    FRDM-RP-EF SteriPEN Portable UV System

    Regular Price: $97.99

    Special Price: $79.05

  • JY-RP SteriPEN Portable UV System
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99 Retail Price:  $9.19
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • Whirlpool WHAB-6009 Replacement Unit A Water Filter Cartridge

    WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    $36.99 Retail Price:  $43.34

Items 49 to 96 of 177 total

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