Features: 1) High efficiency 2) Low noise 3) Compact design 4) Reliable performance 5) Airflow adjustable with a damper Applications in ventilation for: 1) Buildings 2) Industries 3) Automobile painting Specifications 1) Dia: 300 2000mm 2) Airflow: 2200 406700CMH 3) Pressure: 180 2500 Pa 4) Style: single inlet Motors: 380V 415V, IP44 IP65.