KOHLER K-1054432 Kit Aerator, 1.5 Gpm Go to amazon.com Related posts Check expert advices for aerator key kohler? FeatureGenuine KOHLER productMade of plasticReplacement kit DescriptionAerator Kit, 1.5 Gallons Per Minute. Complete replacement kit for damaged or clogged aerators in Kohler bath and kitchen faucets.