Black 3D printed entrance funnel, fits entrances 13 - 15 mm in diameter.
Benefits:
1. Allows bees to better control airflow in and out of hive.
2. Acts as a landing pad preventing bees knocking into the hive and falling to the ground where they make easy pickings for skinks and ants.
3. Helps to prevent predation from assassin bugs, lizards, and phorid fly.
 
Please enquire for bulk discounts.