Awoco UGA 30" Stainless Steel Wall Mount Kitchen Range Hood, 3 Speeds, 900CFM, 110-120V 60 Hz, 30"L x 22"D x 8"H, ETL Certified, S0176 High Quality Stainless Steel Built. Clean: Manual Clean. 2 Modern Lights. Switch: 3 speeds Electronic Push Button. Top Outlet diameter: 6" round duct adapter is included(Duct is NOT included). Vent: Top or Rear. 10-1/8" x 3-1/4" square duct adapters are included. Airflow: Powerful 900CFM. Power: 110~120V-60Hz. Noise: 65db. Overall size: 30"L(Left-to-Right) x 22"D(Front-to-Back) x 8"H. ETL certified. Mounting screws included.