3D Printed Escape Proof Test Tube Adaptor. Check out --- For More Information On These.
 
Also, Dont Forget To Check Out Our Adaptor Kit Including A Test Tube And Tubing.
 
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.