Duran® clear borosilicate glass.

• Excellent thermal and chemical resistance
• Connection on one side with capillary tube (internal Ø: 2,7 mm, external Ø: 8,0 mm) and on the other side with tube connector (external Ø: 8,0 mm)
• With white labelling area

Gas collection tubes for removing, collecting and transporting gas samples. Both sides with a 3 NS/14 standard ground one-way stop cock.