... . Make the air clean and tidy. 3. Good after service Sanding room:Features:1. Inside dimension:6300*3450*2800mm2. Saving cost ... *1800mm(L*W*H), 1pcs 5.5 kw fan outside, belt drive, the air capacity is 16000m3/h. Electric damperType of ... , electric damperVoltage and frequency3*380v, 1*220v, 50HZTotal power6.7kw sanding room