The eMEG from Mars Air Door (Gardena, CA) is a specifying engineer's guide to properly selecting an air curtain with the necessary support documentation to specify, install, operate, and maintain the company's products. Features include a form that is designed to provide a simplified approach to proper air curtain selection based on intended use and varying field conditions; a comprehensive list of Frequently Asked Questions; engineering submittal drawings, installation and wiring diagrams; and operation, installation, and maintenance manuals.