Screened Inner Cover Size:5 Frame so it suits keepers doing

so it suits keepers doing routine inspections in spring and fall when full mesh ventilation is not yet necessary

and rural setups with plain

A metal pan holds the oxalic acid crystals

so go by your normal chest size

Power: any 12-volt battery (heavy-gauge cables included)

Screened Inner Cover Size:5 Frame so it suits keepers doingA 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