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. US-DC2-R Culligan Direct Connect Advanced Replacement Filter

    Price $32.99 List Price Price $47.99 Save 31%
  2. US-EZ-1 Culligan Level 1 Easy-Change Undersink Filter System

    Price $53.99 List Price Price $77.99 Save 30%
    Free Shipping
  3. US-600 Culligan Slim Undersink Filter System

    Price $49.99 List Price Price $71.99 Save 30%
    Free Shipping
  4. 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter

    Price $39.99 List Price Price $57.99 Save 31%
    Free Shipping
  5. US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    Price $112.99 List Price Price $161.99 Save 30%
    Free Shipping
  6. US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System

    Price $80.99 List Price Price $115.99 Save 30%
    Free Shipping

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