extractor fans, Axial Flow Fan for kitchen, bathroom, fireplace, warehouse, home use or industry, school ect useSpecifications:1. Voltage: 220V2. Material of wind wheel: cast iron or palstic3. Flow direction:suction and blowing4. Main parts: Case, Impeller, Motor, Protective screening. 5. Size :200mm 250mm 300mm 350mm 400mm 450mm 500mm..