250 mm motorized damper 24V motor It is part of the SAMS (Smart Air Movement System) Revolutionary design that allows it to be attached to an EZY reducer, an EZY connection, an EzyZone damper or Fan Boss in-line fans-Super resistant injected plastic structure The Inner reinforcement eliminates the need for a foam gasket on the blade Clamping brackets for easy hanging Clamping teeth allow easy attachment of flexible conduit Supplied with 1m 24V cable