Rated Vol.: 220V 50Hz or 110V 60Hz Size: 6 and 8 Power: 11W,18W Air Delivery: 194 M3 per hr, 378 M3 per hr. Noise: 40-42dB Packing: English packing, each in color box , with recyle nylon bag 4 boxes in one seaworthy carton. Brand: Accept clients brand MOQ: 1x40ft container (or mixed)