The 4 Positon Entrance Reducer allows you options to cover the hole entrance in NUC's. The four postions are 1. full access, 2. mouse guard but still allows the bees access, 3. No access but allows ventilation, 4. no access and no ventilation.

Recommended Uses For the Entrance Reducer:

1. New NUC
2. Swarm Catcher
3. Queen Rearing Hive