... drying room is composed of room body, air supply system, exhaust system, air filtration system, paint mist treatment system, ... Ceiling Parts: galvanized steel assemble. Intake Air System1×5.5KW turbo fan, total air capacity is 18000m3/h. Heating SystemItaly RIELLO ... Heat exchange efficiency≥85%. pneumatic damper Exhaust Air System1×5.5KW turbo fan, total air capacity is 18000m3/h, manual damper. ...