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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.

Items 1 to 48 of 61 total

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  • Pentek QC10-CB1R Carbon Block Quick Change Filter

    Pentek QC10-CB1R Carbon Block Quick Change Filter

    $22.99 Retail Price:  $31.04
  • KX-MATRIKX-PB1-HD10

    KX-MATRIKX-PB1-HD10

    $59.99
  • KX-MATRIKX-PB1-10
  • KOHLER-K-202

    KOHLER-K-202

    $112.99 Retail Price:  $131.09
  • KOHLER-K-201

    KOHLER-K-201

    $94.99 Retail Price:  $109.24
  • INSINKERATOR-F-601R

    INSINKERATOR-F-601R

    $126.99 Retail Price:  $134.42
  • CBR2-10R Pentek Undersink Filter Replacement Cartridge
  • PENTEK-CBR2-10

    PENTEK-CBR2-10

    $16.99 Retail Price:  $18.85
  • PENTEK-CBC-5

    PENTEK-CBC-5

    $11.99 Retail Price:  $16.55
  • EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    $125.99 Retail Price:  $147.19
  • RC-0.5 Rainshow’r Replacement Water Filter

    RC-0.5 Rainshow’r Replacement Water Filter

    $92.99 Retail Price:  $109.24
  • BG-1000C Body Glove Replacement Water Filter Cartridge

    BG-1000C Body Glove Replacement Water Filter Cartridge

    $110.99 Retail Price:  $133.39
  • WI-BG6000FFC Body Glove Water Filter Cartridge

    WI-BG6000FFC Body Glove Water Filter Cartridge

    $282.99 Retail Price:  $349.95
  • DUPONT-WFDWC70001

    DUPONT-WFDWC70001

    $33.99 Retail Price:  $45.85
  • 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
  • DOULTON-W9222910

    DOULTON-W9222910

    $43.85 Retail Price:  $52.73
  • 3MFF101 Aqua-Pure Replacement Water Filter Cartridge

    3MFF101 Aqua-Pure Replacement Water Filter Cartridge

    $179.99 Retail Price:  $209.29
  • PENTEK-QC10-CBRR

    PENTEK-QC10-CBRR

    $23.99 Retail Price:  $36.79
  • CULLIGAN-D-250A

    CULLIGAN-D-250A

    $36.99 Retail Price:  $39.09
  • ARIES-A101

    ARIES-A101

    $42.99 Retail Price:  $49.21
  • AQUAPURE-C-CYST-FF

    AQUAPURE-C-CYST-FF

    $48.99 Retail Price:  $56.34
  • AQUAPURE-C-COMPLETE

    AQUAPURE-C-COMPLETE

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

    WI-BG3000C Body Glove Replacement Filter Cartridge

    $155.99 Retail Price:  $173.86
  • WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    $141.99 Retail Price:  $159.10
  • CB1

    CB1

    $19.99 Retail Price:  $25.29
  • 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter
  • CB3

    CB3

    $36.99 Retail Price:  $44.84
  • AQUAPURE-AP-DW85

    AQUAPURE-AP-DW85

    $46.99 Retail Price:  $55.19
  • 600R American Plumber Undersink Filter Replacement Cartridge
  • AP22 Aqua-Pure Undersink Filter Replacement Cartridge
  • GXULQR

    GXULQR

    $39.99 Retail Price:  $43.69
  • FXSVC

    FXSVC

    $69.99
  • FQSVF

    FQSVF

    $51.99
  • FQSLF

    FQSLF

    $37.99 Retail Price:  $47.60
  • P-250A Pentek Undersink Filter Set

    P-250A Pentek Undersink Filter Set

    $23.99 Retail Price:  $31.27
  • PENTEK-P-250

    PENTEK-P-250

    $23.99 Retail Price:  $31.84
  • FILTRETE-3US-PF01

    FILTRETE-3US-PF01

    $37.99 Retail Price:  $43.69

Items 1 to 48 of 61 total

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