Chief RPAU Inverted LCD and DLP Projector Ceiling Mount with All-Points Security Systems (Black)The Chief RPAU Inverted LCD and DLP Projector Ceiling Mount is for stocking dealers or when uncertain of projector types during unplanned installations. It offers multiple ceiling mounting methods and includes everything you need for a quick installation. Convenient lamp and filter access on most projectors. Disconnecting maintains registration and does not affect preset adjustments. Integrated cable management through top of the mount without