Test Tube / Tubing Connectors – 12mm / 14mm / 15mm / 16mm / 18mm / 20mm

From $2.95

Frequently Purchased Together

▸ Ideal to connect test tubes / tubing
▸ Can be used to transfer Queen ant and brood to clean test tubes
▸ Hexagon design to prevent rolling

Choose Connection:
▸ 16mm to 16mm (Hexagon)
▸ 16mm to 20mm (Hexagon)
▸ 20mm to 20mm (Hexagon)
▸ 16mm to 12-18mm (Hexagon to Conical End) – good for test tube to tubing connection
▸ 16mm to 16-20mm (Hexagon to Conical End) – good for test tube to tubing connection