Restaurant Hood Roof Exhaust Fan 2400cfm Commercial 680 Rpm Kitchen 110v Aluminum Material High-Speed Fan Effective Ventilation External Rotor Motor Enclosed Design Wide Application Air Speed: 680 RPM,Air Volume: 2400 CFM,Gross weight: 46.82 kg ( 103.22 lbs ),Package size: 68 x 67 x 68 cm ( 26.7 x 26.3 x 26.7 inch ),Fan base: 63 x 63 cm ( 24.8 x 24.8 inch ),Blade: 32 cm (12.60 inch,Power: 250 W