Stainless steel grind chamber and motor shield. Corrosion resistant. 60 cycle. Please specify 120V, 208V or 230V (single phase) or 208V, 230V or 460V (three phase). Package disposer assemblies include disposer, 1/2" solenoid vavle, 1/2" vacuum breaker, flow control valve, sink stopper, manual magnetic switch and 3-1/2"-4" sink mounting collar. Other mounting assemblies, accessories and options available. Please call 1-800-215-9293 to ask your product consultant for details.