A simple solution to the problem of how to easily connect a test tube colony to a nest or unit via a 13mm tube. These little units can also be used as a feeding or waste area for queens or small colonies being founded in a test tube setup.
Turning the port cap lifts the lid for removal and access to the unit.
1 x Test tube pod
1 x Test tube (Medium 100mm OR Large 150mm)
1 x Test tube clip stand
1 x Cotton wool ball