This fits your .
SS-500 Complete Disposer Package, with 12" diameter bowl, 6-5/8" diameter inlet, with sleeve guard & splash baffle, 5 HP motor, stainless steel construction, includes syphon breaker, solenoid valve, flow control valve, manual switch, single direction
InSinkErator SS-500-12B-MS Complete Disposer Package 12" dia. bowl 6-5/8" dia. - B002TX8FJE