InSinkErator Evolution 250 and 75 food waste disposal units with flange, stopper and air-switch button in 7 special metallic finishes. In PVD steel material - Gold, Copper, Bronze, Anthracite and Black finish, or in Solid Brass material - Patinated Brass, Virgin Brass and Antique Brass finishes for ceramic sinks like Shaws and Quadron granite sinks.