KOHLER K-21372 Aquifer Refine Carbon block CTO replacement filter

KOHLER K-21372 Aquifer Refine Carbon block CTO replacement filter

Water Filtration - KOHLER

Regular price
$51.60
Sale price
$51.60
Regular price
$91.05
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Feel confident with every sip that you are providing the best quality water for you and your family. The Aquifer Refine water filtration system effectively reduces contaminants including lead, mercury, PFOA/PFOS, pharmaceuticals and VOC in your cold water.


  • Reduces chlorine taste and order, and protects the Ultra Filter.
  • Filter head automatically turns off the water supply when cartridge is removed.
  • Replacing the carbon block CTO filter every 6 months keeps filtration system performing effectively.
  • For cold water use only.

Additional Resources:
Specification Sheet
Installation Instructions