Thermoplastic Fixture Box Nail On Vapor Tight

Vapor-Tight boxes feature a drywall flange, covered with a closed-cell foam gasket and additional gaskets over the cable entry points. These combine to provide a vapor-tight seal, preventing the free flow of air through the box. High strength polymer construction. Self clamping cable entry. 1/2" offset flange ensures a flush fit in 1/2" drywall. Pre-drilled flanges. Max. rec. loads 70 lbs. fan and 70 lbs. fixture. 4" diameter