Our “Culture Tube Formicarium” uses this test tube and insert, you can swap them easily, replace a broken tube or expand your existing set. Even better, thanks to the inclusion of a cone adapter you can use them as a stand-alone expansion to any of your existing setups including the culture tube formicarium itself.
Each unit includes a 16×125 mm borosilicate test tube, a plastic long insert, long black jacket with rings, 1 cm silicone fitting and plastic cone adapter for vinyl tubing of the diameter of your choice.
The long insert material and design are identical to our smaller one as well as the substrate, but extends to the full length of the test tube.
Test tube measures 16×125 mm, insert is 115 mm long. Vinyl tubing adapter is 9.5 mm 93/8″) in diameter.
*** Vinyl tubing not included, often is better to buy a long piece to cut down into smaller portions for to your needs.