The Manrose 100mm Silent Concealed Fan with Timer are fantastic bathroom accessories that ensure the extraction of moisture in the air and prevent stubborn smells and mould growth. It comes with an adjustable timer to allow it to perform as and when you require it, and the ability to choose between speeds (15 Litres per second or 21 Litres per second). The unit can either be wall or panel mounted. With a maximum consumption of 7 Watts, this product is also equipped with a performance enhancing turning vane system to improve performance by maintaining a high output. With all of this only producing 16dB (A) at 3 metres, it is a very quiet extractor fan option. It also features integral backdraught shutters so it performs at maximum capacity while still going undetected. The integral backdraught shutters have an elegant design to blend in well with the surrounding design in your bathroom or toilet. Along with this these amazing features, you get a 30,000-hour guarantee with the unit, so you know that your purchase will last and will provide maximum performance for a long time to come. Technical Data: Noise level: 27dBA Power level: 7 Watts Guarantee: 3 years Fan speed 2300 r.p.m. Max Pressure: 20 p.a. Max operating temperature: 40°C Dimensions Height: 159mm Width: 159mm Projection: 38mm Timer controlled Extractor fans with a built-in timer control means that the fan will operate with the bathroom light switch and then overrun for a set amount of time to continue removing moisture from the air. This is great for steamy bathrooms, allowing you to turn the light off but continue with extraction for a short time. Axial Axial type fans cause gas to flow through in an axial direction which is parallel to the shaft where the blades rotate, making the flow axial at exit and entry. Axial fans are designed to create a pressure difference and force which produces a flow through the fan. 21 ltr/s extraction rate Building regulations stipulate that extractor fans need to be able to extract at least 15 litres of air per second. It’s needed to ensure a minimal build-up of moisture in the room, reducing mould and grime in damp areas. This fan will extract a crazy 21 litres per second! That’s 1.5x what’s recommended! Zone 2 Rated IP rating stands for ‘Ingress Protection rating’ and this helps us determine what bathroom electricals can go in particular bathroom zones. An IP (Ingress Protection) number or code is used here in the UK to specify the environmental protection of enclosures around electronic equipment. These ratings are determined by specific tests. These extractor fans can be fitted within Zone 2 as shown below. IPX4 Rating This product has a rating of IPX4 which means it is protected from water splashes from any angle. Recessed wall & ceiling installation These extractor fans can be installed through a wall or recessed giving you that extra bit of flexibility. They can also be installed as portrait or landscape. 3 Year Guarantee When buying anything for your home you need to know that its going to stand the test of time. This is why this product comes with a fantastic 3 year guarantee against any manufacturing defects should the worst happen and the product is not up to standard.