Kitchen Choice KC1051-CPB Round Classic Touch Waste Disposer Air Switch, Polished Chrome For use with all continuous feed waste disposers. Round Style push button with 1-3/8" mounting hole Fits 1-1/2" thick deck Classic touch waste disposer air switch provides safe, convenient disposer activation UL approved, no tools required for installation Transitional styling provides sleek, fluid lines that coordinate with wide range of kitchen styles and designs This is an O.E.M. part