Description: 1. Housing: Polyethylene 2. fan wheel: Centrifugal multi-blades forwardly curved type 3. Outlet:454mm*153mm (Width*Height) 4. Overall:490mm*470mm*530mm (Height*Width*Depth) 5. 3 sectional speeds with external controller design (Hi-Me-Lo) 6. 3 adjustable angles in 0 degree,45 degree,90 degree for air discharging direction. 7. Power cord:2 meters 8. unit weight:17.5KG Application: Ideal for wet carpet/floor drying, air exhausting, bouncy castle inflating and ventilation.