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Langstroth model queen excluder made of plastic measuring 421x506 mm in gray, with a reinforced perimeter frame. They stand out for being very light and easy to transport in the field and easy to install and collect in the apiary. They are for anel brand langstroth plastic hives. Rounded and flat edges and good finish so as not to injure the bees. At room temperature, plastic does not expand or deform. They are easily cleaned from propolis with alcohol, caustic soda or boiling water. It is used like all queen excluders interposed between the brood chamber and the rear. It stands out because it has two gates, they open and close at will of the beekeeper, anti-wasp entrances. The perimeter frame also allows it to be used as a double queen excluder by placing another excluder on top.
The interior partitions offer different handling possibilities and uses of vertical dividers to cloister the queen, even within a box to:
Treat against varroa with a brood control.
Reduce brood before flowering.
Combined with an excluder grid on top to make it a double excluder, so you can work with two queens at the same time in the hive, one on top and one on the bottom.
Combined with an excluder grid for multiplication, in this case you can do the same as with the vertical divider, but you have to put the inlets of the excluder facing the opposite side of the brood chamber doors.