rooftop fan,good structure, large air volume, used for factory etc, FRP material the base cast iron, light weight. 3 The roof fan is mainly composed of the paddle-wheel wind tube,nozzle button,motor and other fittings,The main technical parameters:No. 5Impeller diameter...

1.corrosion resistent 2. high efficiency in vetilating 3. energy saving and long life span 4. withstand severe rain and wind The roof ventilation fan applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical so...

1.corrosion resistent 2. high efficiency in vetilating 3. energy saving and long life span 4. withstand severe rain and wind Specifications of Aipu 14'' roof ventilation fan Model NO.Aipu 14'' MaterialSS202/SS201 Blades20 Turbo Diameter460mm Throat...

1.15 years' warranty 2.environmental and energy saving 3, water proof and corrosion resistant 4.high efficient ventilation The roof ventilation fan applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical...

1,use natrual wind instead of electric,save cost 2,purify indoor air 3,easy to install 4,continue working even in breeze The roof ventilation fan applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical so as...

1.15 years' warranty 2.environmental and energy saving 3, water proof and corrosion resistant 4.high efficient ventilation The roof ventilation fan applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical...