They are to be installed directly into the duct system. The appealing design is especially suitable for visible installation. The compact design and the reduced weight contribute decisively to an easy installation
Corrosion and weather resistant plastic housing in basalt gray colour (RAL7012)
Impeller: diagonal fan with three-dimensionally curved impeller blades and three-dimensional guiding vanes. This results in the highest aerodynamic efficiency. The impeller is balanced in two planes (G6.3 DIN ISO 1940)