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Replacement Water Filters: Undersink

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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  • OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    $4.99 Retail Price:  $8.04
  • OMNIFILTER-RS19

    OMNIFILTER-RS19

    $14.99
  • RS3SS
  • RS2SS

    RS2SS

    $6.99 Retail Price:  $8.04
  • RS14SS

    RS14SS

    $3.99 Retail Price:  $5.74
  • RS14DS

    RS14DS

    $6.99 Retail Price:  $8.15
  • PENTEK-EP-5

    PENTEK-EP-5

  • RS4DS

    RS4DS

  • CB1

    CB1

    $19.99 Retail Price:  $25.29
  • CB6

    CB6

    $67.99 Retail Price:  $80.49
  • CB3

    CB3

    $36.99 Retail Price:  $44.84
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • GAC1SS

    GAC1SS

    $9.99 Retail Price:  $12.64

16 Item(s)

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