The Manrose Commercial Series Internal Louvre is designed for elegance and functionality, featuring integrated internal shutters within the grille for a discreet profile. These fans are suitable for a wide range of commercial settings including pubs, restaurants, hotels, offices, shops, factories, service stations, hospitals, schools, and railway stations, designed for heavy usage. Available in neutral grey and traditional white, they blend with most decors. The grey models have a dark grey external grille to minimize visual impact and reduce cleaning needs. These fans are double-insulated, requiring no earth connection. Installation must comply with current IEE regulations, including a double pole isolating switch with a 3mm contact separation and a 3 amp fuse. The fan should be mounted at least 1.8 meters from the floor and kept away from showers or baths. Performance specifications include 1100m³/hr airflow, 68W single-phase consumption, 60 p.a. maximum pressure, 1300 r.p.m. fan speed, and 60.0 dB(A) sound volume. Suitable for wall mounting in a 12" hole or through a 320mm window hole. Available with automatic or pullcord shutters, tested to comply with Building Regulations on Ventilation (F1). Dimensions: 362mm (H) x 362mm (W) x 171mm (D).