The Chief CMS492C conceals AV equipment above a 2' X 2' ceiling tile and supports a 1.5" NPT column drop for mounting projectors within the same tile grid providing a clean professional look for classrooms and conference rooms. Features: Optimal pipe flexibility within the tile helps with less reliance on image correction improving image quality Drop carriage door improves accessibility and serviceability providing full access to equipment Detachable power housing can be pre-installed...