DS-KD-ACF3/Plastic 3-Module Flush Mount Accessory (Plastic) for DS-KD8003-IMEx The DS-KD-ACF3/Plastic three-module flush mount accessory is designed to support three modular door station modules. Generally, customers choose to pair this accessory with a Video Intercom Module Door Station, and a combination of two Card, Keypad. Contains Installation Frame, Cover, Screws, Lines, etc. Adapts to Three-Module Flush Mount Aviation-Grade Aluminum Cover and Plastic Gang Box