... )wide rage sizes; 2)stable motors; 3) quiet, big air flow Tangential Blower Material: aluminium alloy & galvanized sheet, or as customer ... motor is Ul&cUL&CE&VDE certified. Description:Big air flow and nice design The blowers, creating high air volume with ... , drying, dehumidifying,etc. Fans can be served in insulation class E, B, H. Please contact us for more details.