Atlanta Register 14"x4" Aluminum Wall Register. Atlanta Register has a line of grills and registers designed for homes, work, stores, and restaurants. You can find Atlanta Register anywhere that uses a forced air system to control the temperature of the environment. This Atlanta Register 14"x4" Aluminum Wall Register is designed to maximize airflow throughout your forced air system, and compliment your home decor. This Register features smooth, distributed, and quiet airflow that's ideal for just about any application.