GF4-72 FRP centrifugal fan is a Division in the original 4-72 fan design improvements on the basis of a high efficiency, high performance, low energy environment fan. This model more suitable for gas flow properties. 

Metal 4-72 GF4-72 FRP centrifugal fan is reference-fan performance parameters based on improved design made of FRP composite material. Fans of the series can transport ingredients and chemical composition containing acid and alkali corrosive gas