... 3Japanese top-quality pulley 4CE chicken house fan Description 1.The fan blade is stainless steel, big air volume ... , no broken, attractive and durable. ( adopting aluminum fan blade in the past, which had some problems caused by ... reduce noise, enhance stability, extend service life.36’’Fan Air capacity20800m3/HrSize1000×1000×450mmNoise<64DBPower0.4KWVoltage380VElectric Current1.6AWeight66KG ...