Extremely powerful, yet very quiet and vibration free ventilation. The CF100TB is designed for bathrooms and toilets and is made to move air over long lengths of ducting, and also be able to cope with the resistance given off by long lengths of ducting and grilles. Boasts excellent extraction whilst maintaining a low noise level Manufactured using high impact ABS thermoplastics for strength and durability Designed to comply with Building Regulations on Ventilation (F1) Fitted with a built-in spring operated non-return flap into the discharge spigot to prevent backdraught