JABSCO Waste Management System 12 volt d.c. Three run-dry and accidental activation safety features Connections: - Inlet for 38mm (1½”) bore hose. Discharge 25mm (1") bore hose. Dimensions: - 470mm long, 305mm wide, 267mm high Fuse Size: - 20 amp , Maximum Current: - 16 amp For Black or Grey water , Touch-pad waste management control panel Contains Jabsco 18590 series macerator pump Additional dock side evacuation pick up , Tough, Compact Holding Tank