RWK-3.37 is a flexible and easy-to-install roof and wall ventilator designed by Teko, an Italian company specialized in ventilation systems. It is suitable for many types of buildings, both commercial and residential, and provides an efficient solution to overheating, enabling fresh air and ventilation to be circulated in any property. The product's design consists of a polypropylene casing and mounting frame, and it has a special double acoustic insulation to reduce noise levels inside the property. The integrated motor is also equipped with an on/off/speed switch, allowing users to control the speed and intensity of ventilation. The RWK-3.37 part of Teko is also equipped with a thermal protection device that switches the motor off in case of a thermal overload.