PCMD, LLC. Projector Ceiling Mount Compatible with Eiki EIP-U4700 EIP-W4600 EIP-X5500 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