The Elta APK500SBCON/004 ancillary pack is designed to support the installation of 500mm ventilation units by providing a full set of essential accessories. It includes four anti-vibration mounts to reduce operational noise and vibration, two flexible connectors for adaptable duct connections, two matching flanges for secure sealing, and two mounting feet to stabilise the equipment. This comprehensive kit is ideal for ensuring a dependable and vibration-resistant HVAC installation in both commercial and industrial environments.