External size(m):7.0x5.3x3.5Internal size(m): 6.9x3.9x2.7 Entrance Width(M): 3.0 Entrance Height(M): 2.7 Fan capacity(M3/S):21000 Air velocity(m/s) :0.25-0.35 Air Ventilation(times/h) :265 Max Drying Temperature(degree) : 60C-80COil consump-tion(kg/p