The Kohler K-201 is the correct replacement cartridge for the following filtration systems:
The Kohler K-201, K201 Aquifer Hi-Flow Cartridge is the replacement water filter cartridge for the Kohler K-200 Aquifer Water Filtration System. The K-201 water filter meets NSF International Standards and reduces particulates, sediments, rust, cysts, and chlorine taste and odor in your drinking water.
This Kohler water filter installs easily under your sink and features simple twist & turn replacement. The Kohler Aquifier undersink filter is an essential part of the Kohler K-200 filter system and will vastly improve the taste and quality of your drinking water.
Kohler K-201, K201 Aquifer Hi-Flow Cartridge specifications:
This Aquifer Hi-Flow refill needs to be replaced every 6 months depending on water quality and usage.
View installation & product specifications here.