Atdec TH-PT8 Projector Mount Ceiling Tile Accessory (24&Prime; x 8&Prime;) Maximum Load: 50 lbs (22.7kg) Projector Mount Compatibility 1.5" NPT pipe adaptor Telehook Projector Mounts TH-WH-PJ-CM and TH-WH-PJ-FM Warranty:10 years limited