InSinkErator STC-BIS Replacement SinkTop Switch™ push button in Biscuit. To change button color, pop the old decorative ring off the push button body, replace with the new push button, and push the sides of the new decorative ring until it locks with the push button body. Used with the INSinkErator SinkTop Air Switch kit STS-00 and STS-OOSN.
See the other trim kit finishes STC here.