NuTone 781WHNT Corrosion Resistant Decorative Ventilation Fan with Light, 100 CFM, White N/a Imported Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings Attractive as a light fixture alone and combined with highly effective ventilation White finish and white alabaster glass Fits in 2-Inch by 6-Inch ceiling construction and 4-Inch ducting for new construction or retrofit ENERGY STAR qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings Type IC for use in direct contact with thermal insulation. Do not install in tub or shower enclosure