Plastic 4-position entrance disc for larger mating nucs, standard nucs or hives that accept this format. It lets you change the entrance setting for open access, ventilation, reduction or closure, provided the fit on the box is correct.
The disc lets you select different entrance areas without replacing the part. It is useful for moves, ventilation, robbing pressure or nuc management, without claiming absolute control over colony behaviour.
The current record states a 192 mm diameter and PS dimensions of 19.3 × 19.3 cm. Check the opening and fixing surface before installing it.
The plastic makes the part light and easy to turn between positions. The central screw allows rotation, but it should be tightened enough to avoid unwanted movement.
| Main material | Plastic |
|---|---|
| Diameter | 192 mm |
| PS dimensions | 19.3 × 19.3 × 0.7 cm |
| System | 4 adjustable positions |
| Typical use | Entrance regulation on compatible nucs and hives |
Specific References

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