Carlon FN-236-V Outlet Box, New Work, Vapor-tight, 2 Gang, 3-1/2-Inch Length by 4-Inch Width by 3-1/4-Inch Depth, Black Drywall flange covered with a foam gasket and additional gaskets over the cable entry points that provide a vapor-tight seal High strength polycarbonate construction, will not shatter when cold or distort in heat 1/2-Inch offset flange to ensure a flush fit in 1/2-Inch drywall Angled side nails for rapid installation Pre-drilled flanges for additional mounting options