The Panasonic WhisperGreen-Lite FV-13VKML3 Ceiling Mount Bathroom Fan - ENERGY STAR is a DC motor incorporated residential fan that ensures extremely quiet and energy efficient operation. Its built-in damper prevents the outside air form coming through the fan. It includes one ENERGY STAR qualified 32-watt compact, flicker-free fluorescent lamps are equivalent to two 75-watt incandescent lighting and a 4-watt night-light is convenient for all. * ENERGY STAR rated * 130 CFM, 0.8 sones * Includes 32-watt light and 4-watt night light * Fits a standard 6 -inch duct * Grille dimensions: 13L x 13W inches