B.S National Porter Bee Escape Crown Board - 460mm²
Compatible for use with British National and similar sized hives.
The porter bee escape crown board features two cut out slots for two plastic porter bee escapes which are included.
When feeding your bees using a rapid feeder the feed should be placed directly under one of the slots. When feeding using a contact feeder use both slots.
Offers excellent insulation properties when positioned between the top supers and the roof, this product can also be placed directly over the brood body during winter.