Brand Name: Delta Sub Brand: BreezGreenBuilder Product Type: Ventilation Fan CFM: 80 CFM Assembled Width: 8 in. Light: No Grille Material: Plastic Ceiling or Wall Installation: Ceiling or Wall HVI Certified: Yes UL Listed: Yes Assembled Height: 6-3/4 in. Compatible Duct Size: 4 in. Fan Sound Level: 1.3 Sones Energy Star Compliant: Yes Assembled Depth: 8-1/4 in. Housing Material: Metal For rooms up to 80 sq. ft.* Innovative DC brushless motor design for long life* Green LED Indicator light to show power is on