"tube coolers"

Tubes have a marking spot and reference mark for orientation during use and a threaded neck to accept screw cap.

These culture tubes are made of high-quality borosilicate glass.

VWR® Test tubes are made from high-quality glass.

The perfect tubes for intermediate volumes.

Test tubes and everything you need to use them.

Microfuge Tubes

Culture tubes are constructed of KIMAX-51® borosilicate glass for excellent chemical durability and resistance against sodium leaching.

These tubes are made from special tubing to give the optimum wall thickness.

Test tubes are made from KG-33 glass tubing and feature a sturdy lip and uniform wall thickness for maximum heat transfer and chemical resistance.

Tubes with uniform wall thickness for maximum heat transfer and chemical resistance.

These PYREX® borosilicate glass melting point tubes are cylindrical with a round bottom, wide mouth and beaded rim.

Verify gas production in fermentation exercises, gas produced by yeast or other organisms rises into a 5 or 10 ml evolution tube.

Perfect for pelleting DNA samples.

For use in the collection and observation of gases produced by fermentation.

Intermediate hardness and melting point.

Plain disposable borosilicate glass tube.