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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!
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  • You’re guaranteed to find expert help!

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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.

23 Item(s)

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  • CBC-10 Pentek Replacement Water Filter

    Pentek CBC-10 Water Filter Replacement Cartridge

    $14.99 MSRP: $16.71
    Save 10%
  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99
    MSRP: $17.12
    Save 18%
  • Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    $22.99
    MSRP: $24.71
    Save 7%
  • Pentek QC10-CB1R Carbon Block Quick Change Filter
  • CFBC-20 Pentek Replacement Filter Cartridge

    CFBC-20 Pentek Replacement Water Filter Cartridge

    $23.49
    MSRP: $29.31
    Save 20%
  • FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $21.26
    Save 29%
  • FLOPLUS-10BB Pentek Replacement Filter Cartridge

    FLOPLUS-10BB Pentek Replacement Filter Cartridge

    $44.99
    MSRP: $48.52
    Save 7%
  • FLOPLUS-20 Pentek Replacement Filter Cartridge

    FLOPLUS-20 Pentek Replacement Filter Cartridge

    $28.99
    MSRP: $31.84
    Save 9%
  • FLOPLUS-20BB Pentek Replacement Filter Cartridge

    FLOPLUS-20BB Pentek Replacement Filter Cartridge

    $61.99
    MSRP: $80.49
    Save 23%
  • P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    $23.99
    MSRP: $28.99
    Save 17%
  • P-250A Pentek Undersink Filter Set

    P-250A Pentek Undersink Filter Set

    $23.99
    MSRP: $29.13
    Save 18%
  • QC10-CB1 Pentek Undersink Quick-Change Filter System

    QC10-CB1 Pentek Quick-Change Water Filtration System

    $32.95
    MSRP: $40.99
    Save 20%
  • QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System

    QC10-CBR-JG14 Pentek Quick-Change Water Filter System

    $33.99
    MSRP: $35.41
    Save 4%
  • QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  • QC10-CBRR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • CBC-20 Pentek Replacement Filter Cartridge

    CBC-20 Pentek Replacement Filter Cartridge

    $25.99
    MSRP: $35.64
    Save 27%
  • CBC20-BB Pentek Replacement Filter Cartridge

    CBC20-BB Pentek Replacement Filter Cartridge

    $70.99
    MSRP: $109.99
    Save 35%
  • CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    $9.99
    MSRP: $16.55
    Save 40%
  • CBC-BB Pentek Whole House Filter Replacement Cartridge
  • CBU-10 Pentek Whole House Filter Replacement Cartridge
  • CBC-10BB-WF Tier1 Water Filter Cartridge
  • CBC-20 Tier1 Water Filter Cartridge

    CBC-20 Tier1 Water Filter Cartridge

    $20.05
    MSRP: $28.74
    Save 30%
  • CBC-20BB-WF Tier1 Water Filter Cartridge

    CBC-20BB-WF Tier1 Water Filter Cartridge

    $67.99
    MSRP: $83.94
    Save 19%

23 Item(s)

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