The Manrose 100mm Conceal Quiet Fan IPX5 Timer - QF100TX5CON is an advanced ventilation solution designed for bathrooms and shower rooms. This fan is IPX5 compliant, making it suitable for installation in zone 1 areas without the need for a low voltage transformer. Its sleek, concealed design ensures it blends seamlessly into any space while providing effective and quiet ventilation. The fan's high-quality construction from durable ABS thermoplastics guarantees long-lasting performance and reliability. This fan features an impressive extraction rate of 75 cubic metres per hour, effectively removing moisture and odours to maintain a comfortable environment. The integrated timer allows you to set the fan to run for a pre-set time (5-30mins) after the room light is switched off, ensuring optimal air quality. The low energy motor consumes just 6 watts, making it an energy-efficient choice for any home. Additionally, the fan operates at a decibel level of only 28 dB(A) at 3 metres, making it one of the quietest fans available. The performance-enhancing turning vane system located in the spigot improves airflow, ensuring maximum efficiency and optimal performance. The Manrose 100mm Conceal Quiet Fan is designed to meet and exceed ventilation Building Regulations, making it a reliable choice for both residential and commercial applications. Its compact dimensions of 160mm x 160mm x 80mm and a weight of 0.5kg make it easy to install and integrate into various settings without compromising on aesthetics. This fan is an excellent investment for improving indoor air quality and maintaining a healthy living environment. This model works in conjunction with the room light switch, when the light is switched on the fan comes on, when the light is switched off the fan continues to operate for a pre-set time. Requires permanent live, switched live and neutral wires (3 cores excluding earth) at the fan connections to function correctly.IET Regulations (U.K.) allow for IPX5 fans to be installed into zone 1 without the need for low voltage transformer.