This product is intended for indoor ventilation in factories, air handling units, and tall or large buildings. It can be used for both air supply and exhaust. The medium being moved consists of air or other non-self-igniting, non-explosive gases that are not harmful to humans. The transported air must be free of adhesive materials, with dust and particulate content not exceeding 150 mg/m³, and operating temperatures remaining at or below 80°C.