Manrose cf200t centrifugal electronic timer the cf100200 ranges are designed for bathrooms toilets cloakrooms utility rooms and the cf400 is designed for kitchens and commercial applications such as restaurants hotels and offices designed to move air over long distances these units will give maximum performance even against pressures caused by long lengths of ducting and resistance by grilles all models are fitted with a built in spring operated non return flap into the discharge spi