The Helios BAE 100 is a fire shutter designed to prevent the transmission of fire and smoke in ventilation systems. It is suitable for installation in ventilation shafts or walls that require a fire resistance rating of class K90-18017. The shutter can be inserted into spiral ducting or installed in walls using the mounting sleeve EH, which is available as an accessory. This product is maintenance-free, providing reliable fire and smoke protection with minimal upkeep, making it an ideal component for safety in fire sectioned ventilation areas.