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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.

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  • ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge
  • 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
  • AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    $28.99 Retail Price:  $32.19
  • 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
  • 8017764 Katadyn Microfilter System
  • 8013632 Katadyn Mini Ultralight Series Microfilter Replacement Cartridge
  • WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge
  • WQCHFC11 Watts Kwik-Change Hollow Fiber (UF) Water Filter Cartridge
  • WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    $11.99 Retail Price:  $16.09
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    $17.99 Retail Price:  $49.99
  • E5722-P Omnipure Carbon Block Water Filter

    E5722-P Omnipure Carbon Block Water Filter

    $33.99 Retail Price:  $49.99
  • AF-10-3695 Aries Arsenic Removal Water Filter

    AF-10-3695 Aries Arsenic Removal Water Filter

    $57.99 Retail Price:  $77.04
  • CQE-RC-04046 Crystal Quest Replacement Faucet Filter

    CQE-RC-04046 Crystal Quest Replacement Faucet Filter

    $17.99 Retail Price:  $24.14
  • CQE-FM-00500 Crystal Quest Faucet Filter (White)

    CQE-FM-00500 Crystal Quest Faucet Filter (White)

    $27.99 Retail Price:  $33.34
  • CQE-FM-00501 Crystal Quest Faucet Filter (Chrome)

    CQE-FM-00501 Crystal Quest Faucet Filter (Chrome)

    $24.99 Retail Price:  $33.34
  • E5615-P Omnipure E-Series Water Filter

    E5615-P Omnipure E-Series Water Filter

    $29.99 Retail Price:  $42.54
  • Q5328 Omnipure Water Filter

    Q5328 Omnipure Water Filter

    $10.99 Retail Price:  $14.94

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