This blower is in great working condition.
It is a paddle type blower and is driven by a 7.5kW motor.
The inlet is designed to receive 3 separate sources.

Make: Swinnerton Industrial Fans

Inlet Diameter: 150mm (x3)
Outlet Diameter: 250mm
Motor: 7.5kW 415V

Overall Dimensions (mm): 1140 w x 780 d x 1040 h