... no broken, attractive and durable. ( adopting aluminum fan blade in the past, which had some problems caused ... install conveniently. 5. SANHE fans were adjusted by advanced computer balancing tester, to smooth operating, reduce noise, enhance ... stability, extend service life.36’’Fan Air capacity20800m3/HrSize1000×1000×450mmNoise<64DBPower0.4KWVoltage380VElectric Current1.6AWeight66KG ...