Ventilation Covers » ESSMANN Ventilation Covers » Product Code : hk4 Features: ESSMANN RWA stairwell systems: Thanks to this system, which can be adapted to building cavities, people can find their way out by means of smoke evacuation in case of possible fires. It can also be used as a ventilation and lighting system upon request. The system is placed on the roof of the buildings or in the window spaces. This system, which is used for lighting, ventilation and smoke evacuation, opens automatically in case of danger.
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