The Cata E-100 is a compact inline fan designed for installation in ventilation duct systems. With a connection diameter of 100 mm, this 8-watt unit provides efficient air circulation of 115 cubic meters per hour at a low noise level of 31 decibels. The fan is developed for residential ventilation applications and is suitable for integration into existing duct systems where space constraints require a compact solution. The inline design allows for flexible installation positioning within ventilation ducts, making it ideal for ventilation systems in bathrooms, kitchens, or utility rooms. Made from durable materials, the Cata E-100 offers reliable performance for continuous air movement requirements. The fan operates with standard household electrical systems and features a simple installation process that is compatible with standard 100 mm ventilation ducts. With a balanced combination of airflow capacity and quiet operation, this ventilation unit provides effective air exchange with minimal acoustic disturbance in residential environments. Its compact dimensions and efficient power consumption make it suitable for various ventilation applications in small to medium-sized spaces where constant air circulation is needed.