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Large size four position plastic disc. Diameter 192mm with center hole to turn on itself and put the position we need. Available in colors such as brown, red, green, white and blue. Ideal for large fertilization nuclei and also for standard nuclei and hives.
How to use: To adapt this disk, you have to open a 30-40mm hole in the side of the hive. The disc fits into the hive by passing a screw through its center.
The disc can be used with output in these four positions: