The booth construction is a bolted flanged panel type of modular construction from galvanised sheet steel.
The fan can be a totally enclosed flameproof motor directly driven onto an axial bladed rotor with temperature rating of 41oc.Or a Spark proof bladed Axial rotor indirectly belt driven by a standard IP55 Motor 415/3/50Hz. Filters can be Andria pleated cardboard for simple disposal. Or 100mm thick pre – wetted fibreglass mat mounted upon a weld mesh support grid for easy cleaning.
Discharge will be ductwork made from galvanised sheet steel with building flashing and plasticowl terminal.