Made of PYREX® borosilicate glass, rimless.

• Very good chemical resistance
• Very good temperature resistance
• Ends are fire-polished

Culture tubes have walls and bottom of a uniform thickness. All tubes feature a white marking spot, with the exception of 6 and 22 mm tubes.

Tube 5 ml can be used for Kahn tests. Tube 9 ml can be used for Wasserman tests.