Product Name: T30C axial flow fan (motor external) T30C axial flow fan (motor External) Product Description: T30C axial flow fan (motor external), the axial fan axial fan is 30K4 alternative products, according to need and can use explosion-proof motor, it can be used as non-corrosive flammable and explosive gases for general use explosion-proof ventilation equipment; may be used as general factory, warehouse, office, residential and other ventilation, heating and cooling purposes or strengthening. Parameters:??