The Valcom V-9916M is a metal bridge and backbox combo for the Valcom 8inch ceiling speaker. It allows you to securely mount any Valcom 8 inch speaker into your ceiling weather it be solid or drop mount.
Michael RehacDirect: 716-213-6898
Why Pay $19.99 for the Valcom V-9916M Ceiling Speaker Backbox?
Mount all Valcom 8 inch speakers securely into drop ceilings