Undersink Water Filters & Systems

Transform the water served from your tap or faucet into a premium quality beverage with an under sink water filter.

With over 250+ under sink water filter systems and undersink replacement filters available in a wide range of flow rates, colors/finishes, prices, and filter life’s, we’ve got an undersink filter for every home. Choose from some of the best under sink water filters including the Crystal Quest 7 Stage Under Sink Fluoride Water Filter System, the Culligan® Level-4 Easy Change Undersink Drinking Water System, and the 3M Filtrete™ Undersink Advanced Water Filter System.

Not sure, which under the sink water filter is right for your home? Give us a call 1-800-277-3458; our experts will help you choose the perfect under sink filter to address all of your water quality concerns, no matter how monumentous they may seem.

Note: All of our under sink filters and under sink water filter systems are backed by our 100% Price Match Guarantee. Meaning if you find a particular under sink water filter for less than our listed price, we’ll match the competitors lower price. Shopping for home water filters has never been easier.

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  1. Everpure H-300 Comparable Filter System by Tier1

    Price $93.99 List Price Price $134.99 Save 30%
    Free Shipping
  2. FM-1500 Water Factory Systems Under Sink Drinking Water System

    Price $154.99 List Price Price $221.99 Save 30%
    Free Shipping
  3. SLIM-38-PR5 Pentek Whole House Slim 5 inch Filter Housing

    Price $26.99 List Price Price $38.99 Save 30%
  4. W385-PR American Plumber Undersink Compact Filter System

    Price $30.99 List Price Price $44.27 Save 29%
  5. 158008 Pentek Slim Line Water Filter Housing - Clear

    Price $23.99 List Price Price $33.99 Save 29%
  6. BFS-201 Pentek Slim Line Filter Housing with Pressure Relief Valve

    Price $67.99 List Price Price $97.13 Save 30%
    Free Shipping
  7. 158110 Pentek Filter Housing - Clear

    Price $24.99 List Price Price $35.70 Save 30%
  8. SLIM-CLEAR-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing

    Price $30.99 List Price Price $43.99 Save 29%
  9. SLIM-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing

    Price $25.99 List Price Price $36.99 Save 29%
  10. PENTEK-SLIM-PR10-JG38 Pentek Undersink Filter 10 inch Housing

    Price $22.99 List Price Price $32.84 Save 29%
  11. 158117 Pentek Slim Line Filter Housing - Clear

    Price $25.99 List Price Price $36.99 Save 29%

12 Items

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