The Elta APK350SCD/001 ancillary pack provides all necessary components for installing a 350mm ventilation unit. This complete kit includes four anti-vibration mounts to reduce noise and movement, two flexible connectors for reliable duct connections, two matching flanges for proper sealing, and two mounting feet for solid equipment support. Designed for ease of installation and dependable performance, this pack is ideal for commercial and industrial HVAC systems.