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Undersink Water Filters & 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.

Items 1 to 48 of 52 total

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  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $14.99 Retail Price:  $19.99
  • OMNIFILTER-SFM2

    OMNIFILTER-SFM2

    $35.99
  • PENTEK-C2

    PENTEK-C2

    $5.99 Retail Price:  $8.84
  • KOHLER-K-202

    KOHLER-K-202

    $112.99 Retail Price:  $131.09
  • US-1500 Pentek Undersink Filter System with Monitor
  • PENTEK-TSGAC-10

    PENTEK-TSGAC-10

    $19.39 Retail Price:  $24.60
  • DOULTON-W9222910

    DOULTON-W9222910

    $43.85 Retail Price:  $52.73
  • WI-BG12000 Body Glove Water Filter System

    WI-BG12000 Body Glove Water Filter System

    $593.99 Retail Price:  $720.95
  • DOULTON-W9330958

    DOULTON-W9330958

    $175.09 Retail Price:  $203.65
  • PENTEK-EP-5

    PENTEK-EP-5

  • AP510 AquaPure Water Filtration System

    AP510 AquaPure Water Filtration System

    $141.99 Retail Price:  $146.04
  • E5722-P Omnipure Carbon Block Water Filter

    E5722-P Omnipure Carbon Block Water Filter

    $33.99 Retail Price:  $49.99
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    $17.99 Retail Price:  $49.99
  • CULLIGAN-D-20

    CULLIGAN-D-20

    $10.95 Retail Price:  $13.79
  • CB1

    CB1

    $19.99 Retail Price:  $25.29
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $293.99 Retail Price:  $330.82
  • D-28 Culligan Level 1 Undersink Filter Replacement Cartridge
  • CULLIGAN-US-600

    CULLIGAN-US-600

    $35.99 Retail Price:  $41.39
  • AQUAPURE-C-CYST-FF

    AQUAPURE-C-CYST-FF

    $48.99 Retail Price:  $56.34
  • AQUAPURE-C-CS-FF

    AQUAPURE-C-CS-FF

    $40.99 Retail Price:  $48.06
  • AQUAPURE-AP-DW85

    AQUAPURE-AP-DW85

    $46.99 Retail Price:  $55.19
  • PENTEK-P-250

    PENTEK-P-250

    $23.99 Retail Price:  $31.84
  • OMNIFILTER-CBF1-S-05

    OMNIFILTER-CBF1-S-05

    $73.99 Retail Price:  $88.54
  • GXULQR

    GXULQR

    $39.99 Retail Price:  $43.69
  • QC10-TSGACR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • PENTEK-QC10-TSGAC

    PENTEK-QC10-TSGAC

    $25.69 Retail Price:  $31.84
  • PENTEK-QC10-EPR

    PENTEK-QC10-EPR

    $22.09 Retail Price:  $27.70
  • QC10-EP Pentek Undersink Quick-Change Filter System

    QC10-EP Pentek Quick-Change Filter System

    $29.99 Retail Price:  $34.26
  • GXULQ GE Undersink Filter System

    GXULQ GE Undersink Filter System

    $55.99 Retail Price:  $70.14
  • GAC1SS

    GAC1SS

    $9.99 Retail Price:  $12.64
  • EV9300-25 Everpure proseries 2500 Replacement Filter Cartridge
  • DOULTON-W9222900

    DOULTON-W9222900

    $39.99 Retail Price:  $52.73
  • FILTRETE-3US-AF01

    FILTRETE-3US-AF01

    $22.99 Retail Price:  $26.44

Items 1 to 48 of 52 total

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