... air, quadrate steel frame, coated steelIntake fan2Pcs double-intake centrifugal fan, 2X3KW, air capacity:20000m3 /h.Exhaust fan1Pc double-intake ... centrifugal fan, 4KW, air capacity:12500m3 /h.Heating systemRiello G20 diesel ... stop, failure indicator, limited-temperaturedeviceTotal power12KWBest regards,Jessie Senda energy saving car spray booth