Pollen collector 4D

It is used during the collection of pollen brought by bees in the form of pollen. It is hung on the front wall of the hive so that the grid with calibrated holes (5 mm) is placed opposite the lower notch.
The upper entrance is closed, and the arrival board is removed so that the dust collector fits snugly to the front wall of the hive and the bees can get into the hive only through the holes in the dust collector. for her collection.