4 GANG NAIL-ON VAPOR BOX

Arlington’s non-metallic ONE-BOX fan, fixture and device boxes feature built-in flanges with gaskets attached that form a protective barrier against air infiltration, enabling installers to meet local codes where required. Fast, easy, secure installation in new construction, our vapor boxes mount to wood or steel joists with nails or screws that ship captive. ONE-BOX Vapor Boxes for Fixtures, Fans and Devices.