Chief RPA Elite Universal Projector Mount with Keyed Locking

Dell / Chief C3504 Universal Projector Ceiling Mount Kit / P4RMK

Dell / Chief Genuine C3504 Universal Projector Ceiling Mount Kit P4RMK MSP-DCCC4

Chief CMA372 Projector Ceiling Mount Adapter offset Unistrut adapter U channel

Chief P4RMK Universal Projector Mount Kit for Dell Projectors

Chief RPA Series Projector Ceiling Mount + SLB-170 Interface Bracket (50lb max)

Chief RPA Series Projector Ceiling Mount + SLB-225 Interface Bracket (50lb max)

Chief CMS115 Ceiling Plate Mount-Ceiling for Projector Mounts