Frame:Hot galvanized sheet,sheet thickness 1.0mm,zinkthickness 275g/m2.

Blade:1270mm,durable plastic impeller parts,eliminates the need for precise balancing,reduces power cost and extends bearing life.

Shutter:hot galvanized sheet,and which is easy to install or uninstall from the fan.

Bearing:Humanistice bearing with quality level Po,Noise level Z1.

Belt:Japanese Mitsubishi brand.

Motor:Optional premium efficiency motor.