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Undersink Water Filter 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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  1. W385-PR American Plumber Undersink Compact Filter System
  2. WFDW120009W DuPont Universal Drinking Water Filter System

    WFDW120009W DuPont Universal Drinking Water Filter System

    Fits DuPont WFDW 2000 series, 4000 series, 7000 series Learn More
  3. BF7-S-06 OmniFilter Undersink Filter System
  4. SFM2 OmniFilter Undersink Water Filter System
  5. OB1-S-05 OmniFilter Undersink Filter System

    OB1-S-05 OmniFilter Undersink Filter System

    Fits standard 3/4-inch MPT lines Learn More
  6. CBF2-S-05 OmniFilter Undersink Filter System

    CBF2-S-05 OmniFilter Undersink Water Filtration System

    Built to fit onto any standard 1/2-inch NPS supply thread Learn More
  7. SY-1000 Culligan Water Filtration System

    SY-1000 Culligan Water Filtration System

    Fits standard 1/4-inch water lines Learn More
  8. US-600 Culligan Slim Undersink Filter System
  9. US-EZ-1 Culligan Level 1 Easy-Change Undersink Filter System
  10. US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System
  11. US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System
  12. 3US-AS01 Filtrete Undersink Filter System
  13. 3US-PS01 Filtrete Undersink Filter System
  14. 4US-MAXL-S01 Filtrete Single Stage Drinking Water System
  15. 4US-MAXS-S01 Filtrete Single Stage Drinking Water System
  16. GXULQ GE Undersink Filter System

    GXULQ GE Undersink Filter System

    $55.99 MSRP:  $70.14
  17. CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    Engineered to fit standard 1/2-inch NPS supply threads Learn More
    $76.19 MSRP:  $101.99
  18. F-201 InSinkErator Instant Hot Water Dispenser Filtration System

    F-201 InSinkErator Instant Hot Water Dispenser Filtration System

    Fits InSinkErator Series 1100 and 2200 Instant Hot Water Dispensers Learn More
  19. AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

    Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges Learn More

    As Low As $0.00 Per Filter

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