300 x 300mm mounted flange and can fit 150, 200 and 250mm panel thicknesses.
Heating element included is 33 watts self regulating heater cable 240w.
Power termination ends are fitted for easy installation.
Heated, mechanically operated vent with 2 water-tight mobile flaps allows for airflow in either direction.
Dimensions: 308 x 308 x 135(x2)mm