QualGear Pro-AV Truss Ceiling Adapter for 1.5 in. NPT Threaded Pipe Projector Accessory, Black QG-PRO-PM-TCA-B - The Home Depot
Amazon.com: 3" Extension Pole Tube for Universal Projector Ceiling Mount with Internal Cable Management for AMRP100, AMRDCP100KIT (White) : Electronics
DIY Projector Screen Frames - Maker Pipe
CHIEF CMS0406 Adjustable Projector Ceiling Mount Extension Pipe 48"-72", Black | eBay
QualGear Pro-Av Projector Mount Kit with a Vaulted Ceiling Adapter, 1.5-in NPT Pipe 3-in, Black in the Projector Mounts department at Lowes.com
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