Screened Inner Cover fine mesh which means new beekeepers scramble

which means new beekeepers scramble to add capacity right when their colony is hitting its stride

won't rust

How many opening sizes are there

The first number (89) is the diameter of the jar opening in millimeters

so you can arrange and rearrange them to fit your lesson

Screened Inner Cover fine mesh which means new beekeepers scrambleA screened inner cover swaps the solid panel of a standard inner cover for a full mesh screen, turning the top of the hive into a vent. It gives a colony maximum upward airflow in summer heat, carries damp air out of the hive in winter, and doubles as a ventilated base for moving or holding bees. Fits 5 , 8 , and 10 frame Langstroth equipment. Features Full screen mesh panel set in a solid wood rim Maximum top ventilation vents heat and humidity