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Undersink Water Filter Systems

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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  • W385-PR American Plumber Undersink Compact Filter System

    W385-PR American Plumber Undersink Compact Filter System

    $19.99
    MSRP: $28.74
    Save 30%
  • WFDW120009W DuPont Universal Drinking Water Filter System
  • BF7-S-06 OmniFilter Undersink Filter System

    BF7-S-06 OmniFilter Undersink Filter System

    $84.39
    MSRP: $104.99
    Save 20%
  • SFM2 OmniFilter Undersink Water Filter System

    USM2-S-S06 OmniFilter Undersink Water Filtration System

    $35.99
    MSRP: $48.29
    Save 25%
  • OB1-S-05 OmniFilter Undersink Filter System
  • CBF2-S-05 OmniFilter Undersink Filter System
  • SY-1000 Culligan Water Filtration System
  • US-600 Culligan Slim Undersink Filter System

    US-600 Culligan Slim Undersink Filter System

    $35.99
    MSRP: $41.39
    Save 13%
  • CULLIGAN-US-EZ-1

    CULLIGAN-US-EZ-1

    $35.99
    MSRP: $45.76
    Save 21%
  • CULLIGAN-US-EZ-3

    CULLIGAN-US-EZ-3

    $71.09
  • CULLIGAN-US-EZ-4

    CULLIGAN-US-EZ-4

    $80.39
    MSRP: $86.24
    Save 7%
  • 3US-AS01 Filtrete Undersink Filter System

    3US-AS01 Filtrete Undersink Filter System

    $41.99
    MSRP: $50.59
    Save 17%
  • 3US-PS01 Filtrete Undersink Filter System

    3US-PS01 Filtrete Undersink Filter System

    $49.99
    MSRP: $62.66
    Save 20%
  • 4US-MAXL-S01 Filtrete Single Stage Drinking Water System
  • 4US-MAXS-S01 Filtrete Single Stage Drinking Water System

    4US-MAXS-S01 3M Filtrete Drinking Water Filtration System

    $68.99
    MSRP: $88.54
    Save 22%
  • GXULQ GE Undersink Filter System

    GXULQ GE Undersink Filter System

    $55.99
    MSRP: $70.14
    Save 20%
  • CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    $76.19
    MSRP: $101.99
    Save 25%
  • F-201 InSinkErator Instant Hot Water Dispenser Filtration System
  • AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

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