Profile: Chief Mfg. specializes in offering projector mounts, flat panel mounts, monitor mounts, racks, automated mounts and mount accessories. Our projector mounts include ceiling, security, automated, short throw, room systems, stacker and accessories. E1 series enclosed rack features solid steel construction, extra space on the bottom of the rack for easily mounting small components and consistent openings for ventilation options. Flat panel power filter kit provides noise filtering and surge protection. It includes a high-end power filter and necessary hardware. It easily integrates with chief wall mounts, in-wall accessories and 1.5 inches NPT extension columns.