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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.

39 Item(s)

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  • KOHLER-K-202

    KOHLER-K-202

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

    KOHLER-K-201

    $94.99 Retail Price:  $109.24
  • PENTEK-C2

    PENTEK-C2

    $5.99 Retail Price:  $8.84
  • 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter
  • PENTEK-QC10-EPR

    PENTEK-QC10-EPR

    $22.09 Retail Price:  $27.70
  • PENTEK-EP-5

    PENTEK-EP-5

  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $14.99 Retail Price:  $19.99
  • DOULTON-W9222910

    DOULTON-W9222910

    $43.85 Retail Price:  $52.73
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    $17.99 Retail Price:  $49.99
  • E5722-P Omnipure Carbon Block Water Filter

    E5722-P Omnipure Carbon Block Water Filter

    $33.99 Retail Price:  $49.99
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $293.99 Retail Price:  $330.82
  • 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
  • CB1

    CB1

    $19.99 Retail Price:  $25.29
  • CULLIGAN-D-20

    CULLIGAN-D-20

    $10.95 Retail Price:  $13.79
  • AQUAPURE-AP327

    AQUAPURE-AP327

    $29.99 Retail Price:  $37.94
  • D-28 Culligan Level 1 Undersink Filter Replacement Cartridge
  • GXULQR

    GXULQR

    $39.99 Retail Price:  $43.69
  • GAC1SS

    GAC1SS

    $9.99 Retail Price:  $12.64
  • FQSLF

    FQSLF

    $37.99 Retail Price:  $47.60
  • PENTEK-P-250

    PENTEK-P-250

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

    FILTRETE-3US-PF01

    $37.99 Retail Price:  $43.69
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • FILTRETE-3US-AF01

    FILTRETE-3US-AF01

    $22.99 Retail Price:  $26.44
  • EV9300-25 Everpure proseries 2500 Replacement Filter Cartridge
  • DOULTON-W9222900

    DOULTON-W9222900

    $39.99 Retail Price:  $52.73
  • CULLIGAN-D-30

    CULLIGAN-D-30

    $18.99 Retail Price:  $21.26

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