... 320mm20GP1720pcs40GP 3380pcs Products DiscriptionFood Waste Disposer(other saying: food waste disposal,FWD,FWDs,garbage disposer,garbage disposal,garbage processor, ... machine,kitchen processor,kitchen waste processor, food waste disposer)with CE.CB,UL,ISO9001-2000,ETL,CETL,UPC ... and easy-------------no matter what disposer you are replacing.3.C--Kitchen Food Waste Disposer inside has no knife ...