1) All dimensions are measured by hand, there may be small deviations.
2) Color may vary slightly due to the color setting of each individual monitor.
Feature:
1) Four access options: Fully open, queen exclusion, closed with ventilation and fully closed.
2) Rotating disc used for controlling access to the entrance of beehives.
3) Great for top bar hives, nuc box and mating hives.
4) Easy to use.