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.

21 Products found

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  1. Pentek SCBC-10 Silvered Carbon Block

    Price $29.99 List Price Price $42.99 Save 30%
  2. 153128 Pentek Filter Housing Sump - Clear

    Price $33.99 List Price Price $48.56 Save 30%
  3. SLIM-38-PR5 Pentek Whole House Slim 5 inch Filter Housing

    Price $25.99 List Price Price $37.13 Save 30%
  4. 153029 Pentek Filter Housing Sump

    Price $38.99 List Price Price $55.70 Save 30%
  5. 158008 Pentek Slim Line Water Filter Housing - Clear

    Price $22.99 List Price Price $32.84 Save 29%
  6. BFS-201 Pentek Slim Line Filter Housing with Pressure Relief Valve

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

    Price $24.99 List Price Price $35.70 Save 30%
  8. C2 Pentek Undersink Filter Replacement Cartridge

    Price $10.99 List Price Price $15.99 Save 31%
  9. QC10-CBRR Pentek Undersink Quick-Change Replacement Filter Cartridge

    Price $36.99 List Price Price $52.84 Save 29%
  10. SLIM-CLEAR-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing

    Price $29.99 List Price Price $42.84 Save 29%
  11. P5-478 Pentek Undersink Filter Replacement Cartridge

    Price $11.99 List Price Price $17.13 Save 30%

21 Products found

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