... ,100,150,200,300,400,500 6. Standard super low noised multi-fan type超低噪声多风机型:FBLSSD-300,400,500,600,750 10.mid ... ,100,150,200,300,400,500 14.mid-temperature super low noised multi-fan type:中温超低噪声多风机FBLSS(Ⅱ)D-300, 400,500,600,750 ... running, uniform wind speed, and long service life etc. The motor adapted is especially for outdoor vertical cooling towers, which is ...