The ENERGY STARÂ® Qualified High Performance Exhaust Fan provides 50 CFM of cost effective and energy efficient ventilation at a low sound level of 0.5 Sones. Installation is a snap with the included Snap-In mounting system. Wire nuts and a romex connector are also included. The durable high impact plastic housing ensures quiet operation, maximum performance and will not rust or corrode over time. Listed for installation over a tub or shower on a GFCI circuit.