The telescopic wall sleeve DN 100 TWH 100 from Helios is a high-quality product in the field of ventilation technology. It is specifically designed for duct fans with a diameter of 100 millimeters and offers an effective solution for improving air circulation in various applications. Made from robust plastic, the wall sleeve is characterized by its durability and resilience. With a length of 38 centimeters, a height of 14 centimeters, and a width of 14 centimeters, it is compact and easy to install. The telescopic function allows for flexible adjustment to different wall thicknesses, making installation easier and ensuring optimal use. This product is made in Germany and meets high-quality standards, making it a reliable choice for anyone seeking an efficient ventilation solution. The telescopic wall sleeve is ideal for use in residential and commercial spaces where targeted air guidance is required.