Dadant US queen excluder aluminum perforated 50.5 x 50.5 cm

Queen excluder made of aluminum and perforated for the Dadant US beehive with dimensions 50.5 x 50.5 cm. The excluder is approximately 1 mm thick. The queen excluder ensures that the bees can access the honey super but the queen cannot. This excluder is placed between the brood box and honey super. Also available in other materials and dimensions.