Specifications Air Volume: 2400 CFM Air Speed: 2500 RPM Power: 250 W Blade: 32 cm (12.60 inch Fan base: 63 x 63 cm ( 24.8 x 24.8 inch ) Package size: 27.76 x 27.76 x 22.13 inch / 705 x 705 x 562 mm Gross weight: 50.4 lbs / 22.86 kg Package Content 1 x Exhaust Fan