Stainless steel grind chamber and motor shield with totally enclosed, air-cooled, dual-direction motor. Available with Sink Mounting Kits for 3-1/2" to 4" standard sink opening. Overload protection switch. Sound and vibration barrier. Units with sink mounting kits include sink adapter, manual switch, solenoid valve, siphon breaker, sleeve guard, sink stopper, and flange. 120V/208V/230V/1 or 208V/230V/460V/3. Warranty: 1 Year Parts & Labor.