Characteristics:
       The       ● paper outer frame and filter fiber are made by special needle rolling method, which has the characteristics of high air permeability, low pressure loss and high dust collection.
● Folding filter material design, large filtration area, longer service life and higher filtration efficiency than ordinary glass fiber filter or man-made fiber filter.
Before the ● filter material is discounted, a layer of aluminum mesh will be attached to the air outlet surface of the filter material, which will protect the filter material from being blown out and prevent the filter material from being changed due to wind pressure.