... industrial, greenhouse, poultry etc. 4. CE certificate Industrial 40' Window Mounted Wall Fan with CE Applications:1. Industrial fields: textile ... , socks/clothes making, glass, molding, rubber, coating, silk-screen printing, toy, electronics, home appliances, shoe making, printing, food ... 146*58cm146*146*58cm106*106*55cmOur products: Industrial 40' Window Mounted Wall Fan with CE