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Replacement Water Filters: Undersink

Keep your kitchen space neat and tidy, while reducing contaminants in your tap water with an under sink water filter system.

The beauty of under sink water filter systems is that they neatly fit underneath your sinks and don’t rob you of valuable counter space as countertop water filters do. Unlike other filter models, with under sink water filters there are no valves or tubing cluttering your counter. Because they remain out of sight, you can install larger under sink water filter models designed to filter out additional water contaminants such as fluorides, arsenic, and nitrates.

Below you’ll find over 60+ OEM under sink water filter systems, housings and filters from some of the top brands, including Pentek®, Culligan®, Whirlpool®, Doulton®, OmniFilter®, and more.

Need help choosing the right under sink water filter system? Our experts can help you choose the perfect under sink water filter to address all of your water quality concerns, just give us a call at 1-800-277-3458.

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  1. Pentek QC10-CB1R Carbon Block Quick Change Filter

    Pentek QC10-CB1R Carbon Block Quick Change Filter

    Proprietary design fits Pentek QC systems exclusively Learn More
    $22.99 Retail Price:  $31.04
  2. KX-MATRIKX-PB1-10
  3. KOHLER-K-202

    KOHLER-K-202

    $112.99 Retail Price:  $131.09
  4. CBR2-10R Pentek Undersink Filter Replacement Cartridge

    CBR2-10R Pentek Undersink Filter Replacement Cartridge

    Fits Pentek under-sink filter housings and any housing that uses standard 9 3/4-inch by 2 1/2-inch filter cartridges Learn More
    $17.99 Retail Price:  $21.95
  5. INSINKERATOR-F-201R

    INSINKERATOR-F-201R

    $63.99 Retail Price:  $73.36
  6. QC10-TSGACR Pentek Undersink Quick-Change Replacement Filter Cartridge

    QC10-TSGACR Pentek Quick-Change Replacement Water Filter Cartridge

    Fits any Pentek Quick-Change Series water filtration system head Learn More
    $16.99 Retail Price:  $21.84
  7. PENTEK-QC10-GACR

    PENTEK-QC10-GACR

    $15.89 Retail Price:  $20.57
  8. WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    Fits the Whirlpool WHAF-0335AB Filtration System Learn More
    $45.99
  9. Whirlpool WHAB-6009 Replacement Unit A Water Filter Cartridge

    WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    Fits the Whirlpool WHAF-0335AB Filtration System Learn More
    $40.99
  10. PENTEK-QC10-EPR

    PENTEK-QC10-EPR

    $22.09 Retail Price:  $27.70
  11. CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    Fits most standard 10-inch x 2.5-inch housings Learn More
    $14.99 Retail Price:  $19.99
  12. EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    Fits the Everpure QC4-VOC, ROM II, and ROM III systems Learn More
    $125.99 Retail Price:  $147.19
  13. BG-1000C Body Glove Replacement Water Filter Cartridge

    BG-1000C Body Glove Replacement Water Filter Cartridge

    Fits into the Body Glove BG-1000 water filtration system Learn More
    $110.99 Retail Price:  $133.39
  14. DUPONT-WFDWC40001

    DUPONT-WFDWC40001

    $22.99 Retail Price:  $29.99
  15. DUPONT-WFDWC20001

    DUPONT-WFDWC20001

    $14.99 Retail Price:  $22.33
  16. CRYSTAL-QUEST-CQE-RC-04020
  17. PENTEK-QC10-CBRR

    PENTEK-QC10-CBRR

    $23.99 Retail Price:  $36.79
  18. WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    Fits the Body Glove BG-12000 Water Filter System Learn More
    $293.99 Retail Price:  $330.82
  19. AQUA-PURE-EP35R

    AQUA-PURE-EP35R

    $92.99 Retail Price:  $123.04
  20. C-LC Aqua-Pure Undersink Filter Replacement Cartridge

    C-LC Aqua-Pure Undersink Water Filter Cartridge

    Fits the Aqua-Pure Easy Drinking Water System, Easy LC and Easy LP Replacement Systems Learn More
    $51.99 Retail Price:  $65.54
  21. AQUAPURE-C-CS-S

    AQUAPURE-C-CS-S

    $37.99 Retail Price:  $42.54
  22. AQUAPURE-C-COMPLETE

    AQUAPURE-C-COMPLETE

    $65.99 Retail Price:  $88.54
  23. WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    Fits the Body Glove BG-3000 Water Filter System Learn More
    $155.99 Retail Price:  $173.86
  24. WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    Fits existing Everpure C-300 Filtration Systems Learn More
    $141.99 Retail Price:  $159.10
  25. CULLIGAN-750R-D

    CULLIGAN-750R-D

    $15.99 Retail Price:  $17.93

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