【Newly Designed 3-In-1 retractable】 1. Flush ceiling installation(minimum length: 4.5"), 2. And this projector mount does NOT support the vaulted ceiling and drywall. 【Quick release and no-slip】 The projector hanging mount is easy to install or disassemble with quick-release hooks which allow dismounting for servicing of filters and bulbs but notice still requires unscrewing 4 bolts to release the projector for security and stability.
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