*In-line Centrifugal Fan Range is designed with function for Direct Exhaust, Direct Intake, Air Pressure Boosting in the ducted system. The Fan is specially designed for using in extensive ventilation system in premises such as warehouses, plants, multi-storey buildings, etc. * Compact size casing is designed for small installation space * Well balance aluminum high pressure backward curved centrifugal fan provides quiet and stable operation * The fan is driven by External Rotor Motor which features high static pressure, speed controllability, low operating temperature, precise balance, compact size, detachable impeller & motor for convenient maintenance. *The fan is with mounting versatility and can be mounted at any angle in any point along the ducting system and simple and easy installation. *The fan is designed to match standard dimensions of duct and the need for transition pieces is eliminated.