Ideal size for mini mating nucs. Just turn to the preferred position. Open, ventilated, or excluder. 5cm diameter.
These are a lot smaller than the large metal discs. The queens have no problem returning from mating flights and finding their entrances. These will certainly work for regular nuc entrances as well.

Receive it between 2 Jan and 6 Jan
Receive it between 2 Jan and 6 Jan
Receive it between 2 Jan and 6 Jan
Ideal size for mini mating nucs. Just turn to the preferred position. Open, ventilated, or excluder. 5cm diameter.
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