Axial Flow Fan Model; TUHE-550 Material: galvanized sheet frame, aluminum vane DIAMETER OF THE FAN : ￠580 (mm) TURNS: 870(r/m) AIR VOLUME (m3/h) : 6100(m3/h) NOISE: 50(dB) POWER: 0.15(kw) WEIGHT: 18.5(Kg)