16x125mm Borosilicate Glass Test Tubes with Cork Stoppers (Pack 10) - Karter Scientific 220G6 Go to amazon.com Related posts Top 8 recommendation test tubes glass for 2022 Feature16x125mm Borosilicate Glass Test TubesSize 5 Cork StoppersVolume: 14mL DescriptionKarter Scientific 16x125mm Borosilicate Glass Test Tubes with Cork Stoppers (Pack 10)