Style: Suspended Ceiling 2' x 2' - White QG-PRO-PM-SCA2-W Suspended Ceiling Adapter, 2x2 for 1. 5-inch NPT threaded pipe, White mounts flush inside the false ceiling tile, in the standard 2'x2' or 2'x4' grid system. This adapter is compatible with all standard 1. 5" NPT threaded pipes that weighs up to 50lb. This adapter works with QG-PRO-PM-50-B or QG-PRO-PM-50-W projector mount.