... for each fan: 10500m3/h.Exhaust air system is optional.Heating system BT18 diesel burner, stainless steel heat exchanger, ... from spraying to baking cycle. Max. heating productivity: 180000Kcal/h..Filtering system Pre-filter, ceiling filter, exhaust fibreglass ... steel plates Control system Spraying, heat spraying, baking, time setting, lighting switch, failure indicator, thermostat, power supply switch ...