Made from top-quality Canadian western red cedar (22x 63mm frame) with a galvanised expanded mesh screen.
Improved wintering - water vapour escapes easily through the floor - no need for top ventilation which wastes the colony's heat.
No need for extra screens when moving bees.
Reduction of varroa populations - mites which fall through the screen do not climb back up. Distance below mesh is 40mm.
Easy monitoring of mite populations - simply slide in the plastic drawer under the screen when required.
Can be left on all year round.
National size only.