GEFALTETE FILTERANORDNUNG

摘要

There is provided a pleated zig-zag filter in a filter frame assembly. The filter frame has triangular shaped pleats stabilizing elements on two sidewalls with the pleat stabilizing elements forming a pleat retaining gap that frictionally engage with the filter pleat tips on one face of the filter holding the filter in the frame assembly. The pleat stabilizing elements engage the filter pleat tips on the second face.