PCMD, LLC. Projector Ceiling Mount Compatible with Dell 2200MP 2300MP 2400MP 3200MP 3300MP 4100MP with NPT Adapter 100% Aircraft Aluminum (6061-T6) Construction All the necessary hardware included Detailed instructions for easy and quick installation Low-pressure aluminum threaded pipe fitting for 1-1/2" NPT pipe size included Pipe and ceiling attachment are NOT included