FA series is a single –phase capacitance running motor axial-flow type exhaust fan. FTA is a three-phase asynchronous motor axial-flow exhaust electic fan. This series product is of reasonable structure,pleasing appearance, fine firmness and durability,little energy consumption. It is applicable for the exhaust, ventilation, sun-stroke prevention,cooling purposes in the common enviroments such as factory, warehouse, office building, canteen kitchen,basement etc. all products can be collocated with louver.