3D Printed Escape Proof Test Tube Adaptor. Check out --- For More Information On These.
 
For Use with 16mm Diameter Test Tubes, Plastic or Glass. For Use With Tubing 8mm Inner Diameter and 11mm Outer Diameter.
 
Includes:
1 Antz For All Test Tube Adaptor.
1 Test Tube.
1 Length Of Tubing.
 
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