Eisco™ Test Tube with Cap 16 X 150mm, Approx. (6 in. Height)
These test tubes come with Bakelite screw cap and rubber liner. 16 X 150mm, Approx. (6 in. Height)
Drierite™ Indicating DRIERITE- Drying Tube for Air and Gases
Offers drying of air and gases for small scale laboratory applications.