Type: Wall Noise Level: 6.5 sones Duct Size: Installs ducted 3.25" x 10" (vertical and horizontal), 7" round (vertical) and non-ducted Filter: Dishwasher-safe aluminum grease filter Convertible: Four-way convertible Maximum Exhaust Capacity (CFM): 160 CFM, 6.5 Sone (3.25" x 10" discharge) or 190 CFM (7" round discharge) performance – HVI 2100 Certified Air Mover Speed: Two speed fan control Width: 30"