Kohler Aquifer Refine Carbon Block CTO Replacement Filter Cartridges

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.

Kohler K-21372 Features:

Covered under Kohler’s 5 year limited warranty
Coordinates with products from the Aquifer line seamlessly
Reduces chlorine taste and order, and protects the Ultra Filter
Filter head automatically turns off 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 Kohler Links
View the Manufacturer Warranty
Browse all Kohler Products
Kohler Aquifer Collection

Specifications