【Powerful Airflow】Delivers a flow rate of 40-52 l/s (145-187 m³/h) in two-speed modes, ensuring optimal ventilation for bathrooms, kitchens, and utility rooms. Comes with a 3-year warranty for peace of mind 【Compact Design】Fits a 100mm duct with a 96mm spigot for easy duct connection. Compact dimensions (190x246x126 mm) make it ideal for installation in lofts, service shafts, and small spaces. 【Adjustable Timer & Quiet Operation】Features an adjustable timer with settings from 2 to 30 minutes for convenient ventilation after the fan is switched off. Operates quietly at just 27 dB(A) at 3m, ensuring minimal disruption in any space. 【Durable & Easy Maintenance】Rated IPX4 for water resistance, making it suitable for humid environments. Provides easy access to monitor and maintain the impeller without the need to dismantle the ductwork, ensuring hassle-free upkeep 【Compliant Design】Operates with a low power consumption of 21W (Normal mode) and 0.11A (Low speed), weighing just 1.5 kg. Fully complies with all building regulations (ADF), ensuring efficient and legal installation