Designed for wall or ceiling mounting, this series of fans and packs is ideally suited to use in kitchens, utility rooms, pubs, hotels, restaurants, offices, shops, and factories. Incorporating the latest ventilation technology, this series has an extract rate of 668m³/hr, 185 litres per second. • 230mm (9") model with internal grille & pullcord switch • Extraction rate of 668m³/h, 185 litres per second • Designed for wall or ceiling installation. • Sound volume: 50.0 dB(A) • Suitable for kitchens, utility rooms, restaurants etc.