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. FM-1500 Water Factory Systems Under Sink Drinking Water System

    Price $154.99 List Price Price $221.99 Save 30%
    Free Shipping
  2. US-EZ-1 Culligan Level 1 Easy-Change Undersink Filter System

    Price $64.99 List Price Price $92.99 Save 30%
    Free Shipping
  3. QC10-CBRR Pentek Undersink Quick-Change Replacement Filter Cartridge

    Price $38.99 List Price Price $55.99 Save 30%
  4. US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    Price $137.99 List Price Price $196.99 Save 29%
    Free Shipping
  5. SLIM-CLEAR-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing

    Price $32.99 List Price Price $46.99 Save 29%
  6. US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System

    Price $92.99 List Price Price $132.99 Save 30%
    Free Shipping
  7. DW-200-R American Plumber Undersink Filter Replacement Cartridge

    Price $31.99 List Price Price $45.99 Save 30%
  8. SLIM-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing

    Price $27.99 List Price Price $39.99 Save 30%
  9. 158117 Pentek Slim Line Filter Housing - Clear

    Price $26.99 List Price Price $38.99 Save 30%

9 Items

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