NUC Box Sliding Metal Entrance Reducer
Best for NUC boxes/ Queen Rearing Boxes (too narrow for a langstroth 10 frame box)
Material: Stainless steel (won’t rust)
Overall Dimension: approx. 125 x 33mm/ 4.9 x 1.3 Inches
Use these in the autumn when mice or other rodents may be looking for a warm winter retreat.
Turn the sliding inner piece over and have a Queen Excluder with ventilation. Great for Moving.