- Please choose product options by visiting National Poly Crown Board, Multiple Holes.
Langstroth Hive - POLY, National Poly Hive with Deep Roof, National Poly Hive with Shallow Roof, National Poly Hive 14 x 12 with Shallow Roof, National Poly Hive 14 x 12 with Deep Roof
Plastic ventilating plug, trapezium
To fit into our hives (National or Langstroth).
1 plug per pack.
£0.55 inc. VAT