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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.

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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-5-10
  • INSINKERATOR-F-601R

    INSINKERATOR-F-601R

    $126.99 Retail Price:  $134.42
  • OMNIPURE-OMB934-1L

    OMNIPURE-OMB934-1L

    $14.99 Retail Price:  $21.38
  • PENTEK-CCBC-10

    PENTEK-CCBC-10

    $15.99 Retail Price:  $19.31
  • PENTEK-CBC-5

    PENTEK-CBC-5

    $11.99 Retail Price:  $16.55
  • 47-55707G2 Water Factory Systems Replacement Filter Cartridge
  • PENTEK-QC10-EPR

    PENTEK-QC10-EPR

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

    PENTEK-EP-5

  • HYDRONIX-CB-45-1001

    HYDRONIX-CB-45-1001

    $24.99 Retail Price:  $37.94
  • CRYSTAL-QUEST-CQE-RC-04036
  • RC-0.5 Rainshow’r Replacement Water Filter

    RC-0.5 Rainshow’r Replacement Water Filter

    $92.99 Retail Price:  $109.24
  • DUPONT-WFDWC40001

    DUPONT-WFDWC40001

    $22.99 Retail Price:  $29.99
  • DUPONT-WFDWC20001

    DUPONT-WFDWC20001

    $14.99 Retail Price:  $22.33
  • DUPONT-WFDWC70001

    DUPONT-WFDWC70001

    $33.99 Retail Price:  $45.85
  • BGE-4200 BevGuard Water Filter Replacement Cartridge

    BGE-4200 BevGuard Water Filter Replacement Cartridge

    $59.99 Retail Price:  $100.00
  • BEVGUARD-BGE-4200S

    BEVGUARD-BGE-4200S

    $65.99
  • BEVGUARD-BGE-3200S

    BEVGUARD-BGE-3200S

    $84.99 Retail Price:  $91.67
  • BGE-3200 BevGuard Water Filter Cartridge

    BGE-3200 BevGuard Water Filter Cartridge

    $75.99 Retail Price:  $89.99
  • 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
  • CRYSTAL-QUEST-CQE-RC-04014

    CRYSTAL-QUEST-CQE-RC-04014

    $25.99 Retail Price:  $32.18
  • US-UF3R Culligan Ultrafiltration Replacement Water Filter Cartridge Set
  • PENTEK-QC10-CBRR

    PENTEK-QC10-CBRR

    $23.99 Retail Price:  $36.79
  • 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
  • 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
  • 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

Items 1 to 48 of 60 total

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