Commercial Kitchen Exhaust Hood Airflow Capacity 3 600 cfm Duct Collar Connection 12 in x 18 in 12 in x 24 in 14 in x 24 in Material 430 Stainless Steel Maximum Airflow Capacity 3 600 cfm Number of Light Fixtures 4 Overall Depth 144 in Overall Height 24 in Overall Width 54 in Hood Style Canopy Type I Duct Height 18 in Duct Width 12 in Exhaust Application Grease