Projector Ceiling Mount for Epson EH-TW5750S PowerLite 118 119W 1288 982W 992F | eBay
QualGear Pro-Av Projector Mount Kit with a 2ft x 2ft Suspended Ceiling Adapter, 1.5-in NPT Pipe 3-in, White in the Projector Mounts department at Lowes.com
Amazon.com: 3" Extension Pole Tube for Universal Projector Ceiling Mount with Internal Cable Management for AMRP100, AMRDCP100KIT (White) : Electronics
QualGear Pro-AV 1.5 in. NPT Threaded Pipe, 2 ft. Length Projector Accessory, Black QG-PRO-PM-2FT-B - The Home Depot
Premier Mounts PBC-UMW Universal Projector Mount with 1½" pipe coupling | Touchboards