46" Nylon with considerable Fiber 34" Nylon with considerable Fiber D700D S301D Frame FRP FRP Propeller 42� 30� Blade Seven blades seven blades Motor 3/ 4HP F level 1/ 2HP F level Voltage 220V~ 575V 220V~ 575V RPM/ min 480 rpm 580 rpm Volume 65~ 75dB 65-70dB Capacity 32000M³ / hr 20000M³ / hr Watt 1000W 450W Si ze 120x120x62cm 98x96x48cm Weight 48kg 34kg