cross flow fan motor 1)wide rage sizes; 2)stable motors; 3) quiet, big air flow. cross flow fan motorMaterial: aluminium alloy & ... creating high air volume with low vibration, are commonly used in HVACsystems, machinery for heating, ventilating, air conditioning, drying, ... dehumidifying,etc. Fans can be served in insulation class E, B, H. Please contact us for more ...