This standard specification is applicable to personnel air showers, material air showers, pass boxes, and inline air showers. It features interlock output for manual doors and open output for automatic doors, both provided as contact signals. In addition to dual-door automatic/manual configurations, it supports various door combinations, including an automatic entrance with a manual exit or a manual entrance with an automatic exit. The air shower can be activated based on configurable settings, such as upon entry through the entrance, exit, or both. This design offers enhanced flexibility to accommodate diverse user requirements and adapt to various operational environments.