Nesting trays (set - 50 units) for Mason Bee (osmia rufa / bicornis)
A set of 5 BioDar System reusable nesting trays, creating up to 100 nest channels with a diameter of 8 mm and a length of 14 cm.
Nesting trays (set - 20 units) for Mason Bee (osmia rufa / bicornis)
A set of 20 BioDar System reusable nesting trays, creating up to 400 nest channels with a diameter of 8 mm and a length of 14 cm.
