... 3.Run-out: within 0.8mm 4.RoHS certificate Air curtain cross flow impeller/Aluminium Impeller Aluminium Impeller Mission: Zhejiang ... 300mm to 350mm adjustable.Product Features: 1.Low noise, high air-quantity, good balance.2.Favorable price, Attractive design3.Great ... is adopted.6.Applications: used in air curtain,air door,film driers, fans coil unit, air-conditioner system, cooling and heating system ...