Unused carbon steel centrifugal blower fan driven by EL motor 11 kW, 1480 rpm, 400/690 V, 50 hz. Working output up to 16488 M3/h. Working temperature up to 20°C. Working outlet pressure 1480 pa. Working rotation of rotor up to 1455 rpm. Inlet has a diameter 500 mm, outlet is square and has dimensions 500 mm x 500 mm.