Brand Name: Broan-NuTone Maximum Air Volume: 70 CFM Fan Sound Level: 4 Sones Product Type: Bathroom Ventilation Fan/Heat Combination with Lights Light: Yes Compatible Duct Size: 4 in. Housing Material: Metal Nightlight: No Ceiling or Wall Installation: Ceiling UL Listed: Yes ETL Listed: No Grille Material: Polymeric HVI Certified: Yes Packaging Type: Boxed Color: White Depth: 14-1/4 in. Width: 8-3/8 in. Height: 6-3/8 in. Watts: 545 W Energy Star Certified: No Warranty: 1 year