With the use of DF 20 P fan and air mixing, the efficiency of cooling, heating and drying equipment increases. The use of the DF 20 P fan also limits the concentration of undesirable odours, especially recommended in production halls. The housing is powder-painted to prevent corrosion. TECHNICAL DATA: Diameter: 500 mm / 20"F fan speed regulation: three-stageAir flow: 6600 m3/hPower consumption: 98 / 100 / 107 Dimensions: 690 x 200 x 670 mmNet weight/gross: 9 / 11.5 kgTurn: 360 degrees in two axes.