TRAP TO COLLECT POLLEN TO BE INSERTED ON THE FRONT OF THE HIVE WITH THE FLAP ON THE GUIDES OF THE DOOR ! FOR HIVE D.B. STANDARDS! with porch 12 honeycombs Easy hooking to the guides of the small doors of the hive - Fir wood trap - Waterproof plywood lid - Grid with pollen collection holes in plastic with adjustable bee passage Open/Closed (when kept open it allows the free passage of bees) - Bottom net (pollen falling into the drawer) in stainless steel - Removable pollen storage drawer, in wood on 4 sides and with stainless steel bottom net - Side holes for drone passage (with tab to keep them open or closed)