The Intervent NVF150P 150mm (6\") extractor fan with pullcord switch by Manrose is designed for wall mounting only. It is suitable for larger bathrooms, utility rooms, shops, offices, restaurants. To be operated by lightswitch with set overrun timer BUT will operate automatically when room\'s relative humidity level exceeds 75%. Pullcord switch supplied For Kitchens and Larger Bathrooms Wall/ceiling mounting, MAN-SVK1280 wall fixing kit required (not supplied) Requires 150mm hole Extract rate of 230m³/hr, 64 litres per second Single phase consuming 17w, 220-240V - AC. 50Hz Dimensions: Height: 200mm x Width: 200mm