Smoke Ejector EFC120X-16'' Smoke ejection-clears basements,confined areas with ducting; Stackable for more PPV FORCE and easy storage; Optional duct adapter for use with 40cm duct in confined space applications; Available with in various voltage and frequency configuration; Optional door bar and hanger kit for suspending in doorways windows. Suspend on doorway or window with door bar hanger for efficient ventilation Specification Motor:1.2kW 230V 50Hz-1 Fan Size:40cm*17-blade impeller Amps:Start:18min Run:5 Weight:26kg Dimensions:480h*460w*320d mm