Dormont WD-75-AWatts Grease Interceptor, semi automatic draw off, 75 gallon per minute flow rate, 150 lb grease capacity, 4" inlet & outlet, solid steel cover with gasket, hex head perimeter bolt(s), removable grease accumulating cover & baffle assembly, deep seal trap with cleanout, treaded connections, internal stainless steel flow control fitting, flexible draw off hose, line shut off valve, epoxy coated steel.