The Extron AAP 100 MD AV Connectivity Mounting Kit for MD Floor Boxes replaces the factory-installed metal bracket found in standard MD floor boxes and can be populated with optional, two single-space or one double-space Extron AAP™ AV Connectivity Module. The AAP 100 MD Floor Box AV Connectivity Mounting Kit ships with one bracket, one single-space blank AAP module, and two M4 mounting screws for attaching the bracket into the floor box. Additional AAP modules are sold separately.