Extraction tower, made of sheet steel. Degree of protection: IP33 according to EN 60529. Standard colour: RAL 7035, other colours on request. Fixing system by means of 4 screws M6X30 mm. Storage temperature: -20 °C to + 60 °C. Gasket made of two-component material laid in continuous pour. Fan protection: thermal. Electrical connection by means of 3G 0,75mmq cable.