1. Blade is made of the stainless steel .molded ,big air volume ,no distortion ,no broken , 2. Fan house adopt new design ,light weight ,elegant appearance ,easy to install 3. Round protection grill ,,heavy duty ,protect fan blades , safety and steady . 4. Adopt the handle as new inset design from our engineer ,easy for carry ,transport and installation ..Also has no affect on the appearance ,it made of high quality of the aluminum-magnesium alloy ,light weight ,high strength .