Fertilization nucleus, where the born queens can also be parked, with interior lined in 20mm thick expanded polystyrene
With sheet metal roof; bottom with 4 hollow outlets (one for each nucleus), with 4 different directions
Fertilization nucleus, where the born queens can also be parked, with interior lined in 20mm thick expanded polystyrene
With sheet metal roof; bottom with 4 hollow outlets (one for each nucleus), with 4 different directions