Plastic entrance reducer with 3 positions

Small plastic entrance reducer for mounting on smaller beehives. With this strip you can easily close the beehive and make the entrance opening larger or smaller as desired. The sliders have 3 positions: open, closed, or allow only worker bees to pass through. The length of the entrance reducer is 18.5 cm and the height is 3 cm. The color may vary: currently the color is gray.