Arlington Joist Mount Screw-On L-Shaped Vapor Box FB442F 25/BOX

Designed to enhance the safety and performance of your installations, this L-shaped fan and fixture vapor box is compatible with both 1/2″ and 5/8″ drywall, providing a robust solution that supports up to a 70 lb fan and a 200 lb fixture. With a 13.4 cubic inch volume and a 2-hour fire rating, it offers vital fire protection while the integrated flange forms a barrier that effectively prevents air infiltration. UL certified for reliability, this black vapor box is made from durable plastic, ensuring both longevity and compliance with industry standards. Whether you’re working on residential or commercial projects, its practical design simplifies installation while enhancing energy efficiency.