powder-coated steel sheet housing  strong fan & nbsp; Heating element encapsulated and stainless Overload protection Security verified by GS   Technical data:   Power max. 3.3 kw Air power 400m3/h Weight 5.6 kg   Traces of use are present, by small paint bursters on the housing light pollution caused by storage (dust)   Age / year of construction not known   Function: Effectively removed from service (1/2025)