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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.

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  • DUPONT-WFDWC40001

    DUPONT-WFDWC40001

    $22.99 Retail Price:  $29.99
  • APDWS1000 Undersink Water Filter System by Aqua-Pure
  • DUPONT-WFDW120009W

    DUPONT-WFDW120009W

    $39.99 Retail Price:  $52.91
  • DUPONT-WFDWC70001

    DUPONT-WFDWC70001

    $33.99 Retail Price:  $45.85
  • DUPONT-WFDWC20001

    DUPONT-WFDWC20001

    $14.99 Retail Price:  $22.33
  • CBF2-S-05 OmniFilter Undersink Filter System
  • PENTEK-US-1000

    PENTEK-US-1000

    $126.99 Retail Price:  $139.71
  • INSINKERATOR-F-601R

    INSINKERATOR-F-601R

    $126.99 Retail Price:  $134.42
  • INSINKERATOR-F-201R

    INSINKERATOR-F-201R

    $63.99 Retail Price:  $73.36
  • BG-1000C Body Glove Replacement Water Filter Cartridge

    BG-1000C Body Glove Replacement Water Filter Cartridge

    $110.99 Retail Price:  $133.39
  • BG-1000 Body Glove Water Filtration System

    BG-1000 Body Glove Water Filtration System

    $337.99 Retail Price:  $390.99
  • RC-0.5 Rainshow’r Replacement Water Filter

    RC-0.5 Rainshow’r Replacement Water Filter

    $92.99 Retail Price:  $109.24
  • DOULTON-W9121202

    DOULTON-W9121202

    $32.58 Retail Price:  $39.77
  • DOULTON-W9121302

    DOULTON-W9121302

    $49.91 Retail Price:  $59.70
  • DOULTON-W9123085

    DOULTON-W9123085

    $72.99 Retail Price:  $109.65
  • 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter
  • CULLIGAN-D-250A

    CULLIGAN-D-250A

    $36.99 Retail Price:  $39.09
  • CULLIGAN-US-EZ-4

    CULLIGAN-US-EZ-4

    $77.99 Retail Price:  $86.24
  • CULLIGAN-US-EZ-3

    CULLIGAN-US-EZ-3

    $68.99
  • SY-1000 Culligan Water Filtration System
  • CULLIGAN-D-40

    CULLIGAN-D-40

    $29.99 Retail Price:  $38.51
  • 600R American Plumber Undersink Filter Replacement Cartridge
  • AQUAPURE-C-CS-S

    AQUAPURE-C-CS-S

    $37.99 Retail Price:  $42.54
  • AQUAPURE-C-COMPLETE

    AQUAPURE-C-COMPLETE

    $65.99 Retail Price:  $88.54
  • AQUAPURE-AP-DW80-90

    AQUAPURE-AP-DW80-90

    $109.99 Retail Price:  $137.99
  • AP-C78 Aqua-Pure Undersink Filter Replacement Cartridge
  • DOULTON-W9121020

    DOULTON-W9121020

    $30.99 Retail Price:  $36.02
  • P-250A Pentek Undersink Filter Set

    P-250A Pentek Undersink Filter Set

    $23.99 Retail Price:  $31.27
  • PENTEK-QC10-CBRR

    PENTEK-QC10-CBRR

    $23.99 Retail Price:  $36.79
  • QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  • DOULTON-W9123053

    DOULTON-W9123053

    $50.99 Retail Price:  $59.25
  • DOULTON-W9121750

    DOULTON-W9121750

    $34.09 Retail Price:  $41.50
  • DOULTON-W9121715

    DOULTON-W9121715

    $34.09 Retail Price:  $41.41

Items 1 to 48 of 53 total

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