Discount Water Filters and Air Filters at Discount Filter Store.com

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Under Sink Water Filter Replacement Cartridges

Don’t settle for a replacement under sink water filter cartridge that simply fits, find one designed and manufactured specifically for your under sink water filter system.

Discount Filter Store has one of the largest selections of undersink filter cartridges. With under sink filter cartridges available in over 15+ different filter medias, 8+ different sizes (5x2½ - 20x4½), and a wide variety of filter life’s ranging from 250 gallons to 50,000+ gallons, you’re guaranteed to find the under sink water filter system and/or replacement cartridges you need. Choose from hundreds of under sink water filter cartridges from some of the industry’s top brands including American Plumber, Crystal Quest, Pentek®, Culligan®, GE, Aqua-Pure®, Whirlpool®, and more.

25 Item(s)

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  • 4373529

    4373529

    $43.99
    MSRP: $50.59
    Save 13%
  • 4373574

    4373574

  • 4373575

    4373575

    $59.99
    MSRP: $74.74
    Save 20%
  • AQUAPURE-AP-DW70

    AQUAPURE-AP-DW70

    $47.99
    MSRP: $56.34
    Save 15%
  • CB6

    CB6

    $83.99
  • CRYSTAL-QUEST-CQE-RC-04002

    CRYSTAL-QUEST-CQE-RC-04002

    $47.99
    MSRP: $65.54
    Save 27%
  • CULLIGAN-P1-D

    CULLIGAN-P1-D

    $11.99
    MSRP: $12.98
    Save 8%
  • 47-55707G2 Water Factory Systems Replacement Filter Cartridge
  • FXSLC GE SmartSetWater Undersink Filter
  • OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge
  • CCBC-10 Pentek Undersink Filter Replacement Cartridge

    CCBC-10 Pentek Undersink Filter Replacement Cartridge

    $18.99
    MSRP: $19.31
    Save 2%
  • CRE-1 Pentek Undersink Filter Replacement Cartridge

    CRE-1 Pentek Undersink Filter Replacement Cartridge

    $23.99
    MSRP: $30.69
    Save 22%
  • BEVGUARD-BGE-3200

    BEVGUARD-BGE-3200

    $75.99
    MSRP: $83.33
    Save 9%
  • BEVGUARD-BGE-3200S

    BEVGUARD-BGE-3200S

    $84.99
    MSRP: $91.67
    Save 7%
  • BEVGUARD-BGE-4200S

    BEVGUARD-BGE-4200S

    $71.99
  • BEVGUARD-BGE-4200

    BEVGUARD-BGE-4200

    $59.99
    MSRP: $100.00
    Save 40%
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    $17.99
    MSRP: $49.99
    Save 64%
  • CRYSTAL-QUEST-CQE-RC-04003

    CRYSTAL-QUEST-CQE-RC-04003

    $60.05
  • CRYSTAL-QUEST-CQE-RC-04016

    CRYSTAL-QUEST-CQE-RC-04016

    $138.99
  • HYDRONIX-CB-45-1001

    HYDRONIX-CB-45-1001

    $24.99
    MSRP: $37.94
    Save 34%
  • E5620 Omnipure E-Series Everpure Compatible Filter

    E5620 Omnipure E-Series Everpure Compatible Filter

    $18.99
    MSRP: $36.79
    Save 48%
  • P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    $2.05
    MSRP: $8.34
    Save 75%
  • WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $14.99
    MSRP: $19.99
    Save 25%
  • DUPONT-WFQTC90001

25 Item(s)

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