Practical piston to mark queens.
Slowly put the queen in the funnel, close with the piston and mark it with color or marking numbers.
The bees can go out through the net, the queen cannot.
Technical characteristics:- Model: Practical.
- Frame material: Transparent plastic.
- Closure Material: Methacrylate.
- Queen contact material: Foam.
- Mesh: Excluder with 4 slots.
- Approximate length: 9cm.
- Approximate diameter: 3cm.
- Transparent color.
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