Series HTFCf(DT) fan has the advantages of low noise, large volume of wind, heat resistance, convenient installation etc. It is widely used in guesthouses, hotels, auditoriums, cinemas, basements, factories and offices, it is a kind of ideal product for ventilating in tall buildings. Total Pressure: 153~1049Pa Volume of flow: 1775~67685 cubic meters per hour Machine No.: No. 9-No.30