Franke WD981SN Square Waste Disposer/Disposal Air Switch, Polished Nickel Controls Franke WD9088 plug-in waste disposer / disposal controller switch May be mounted on the counter beside the sink or in an existing hole drilled on the sink ledge. Unapologetic polished nickel finish ties your kitchen design together For use with all Franke continuous feed waste disposers. Requires Franke controller WD9088