This white polymer ventilation fan offers great performance and value. It has a polycarbonate heat resistant lens. The motor features easy removal and installation of the motor assembly with keyhole mounting. It includes a motor mounting bracket, permanently lubricated motor with a plug for quick activation, and precision balanced impeller for quiet operation. The galvanized housing is suited for humid conditions and has built in mounting tabs for quick installation. The housing measures 7 5/8”W by 8 5/8”L by 5 5/8”H. It features gauge markings for ceiling thickness, a built-in junction box for easy wiring, and 3” and 4” duct adapters with a built-in damper. This fixture has a sone rating of 2.5 and a CFM rating of 50.