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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. PENTEK-BFS-201

    PENTEK-BFS-201

    $53.99 MSRP:  $56.80
  2. PENTEK-3G-SLIM-38-NPT10
  3. PENTEK-158643

    PENTEK-158643

    $24.99 MSRP:  $25.98
  4. PENTEK-158642

    PENTEK-158642

    $19.99
  5. PENTEK-158117

    PENTEK-158117

    $18.99
  6. PENTEK-158110

    PENTEK-158110

    $18.99 MSRP:  $22.41
  7. PENTEK-158008

    PENTEK-158008

    $12.79 MSRP:  $16.55
  8. PENTEK-153128

    PENTEK-153128

    $19.99 MSRP:  $23.56
  9. PENTEK-153029

    PENTEK-153029

    $32.99
  10. PENTEK-153018

    PENTEK-153018

    $18.99 MSRP:  $21.84
  11. PENTEK-153017

    PENTEK-153017

    $11.29 MSRP:  $15.28
  12. 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

  13. PENTEK-150550

    PENTEK-150550

    $24.05 MSRP:  $35.64
  14. PENTEK-US-1500

    PENTEK-US-1500

    $172.09 MSRP:  $195.37
  15. US-1000 Pentek Undersink Filter System

    US-1000 Pentek Undersink Filter System

    $130.79 MSRP:  $179.99
  16. PENTEK-SLIM-PR10-JG38 Pentek Undersink Filter 10 inch Housing
  17. SLIM-CLEAR-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
  18. SLIM-38-PR5 Pentek Whole House Slim 5 inch Filter Housing
  19. SLIM-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
  20. QC10-TSGAC Pentek Undersink Quick-Change Filter System
  21. QC10-GAC Pentek Undersink Quick-Change Filter System
  22. QC10-EP Pentek Undersink Quick-Change Filter System
  23. QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  24. QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System
  25. QC10-CB1 Pentek Undersink Quick-Change Filter System

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