Borosilicate glass. Sterilizable. For growing cultures and transporting long-term cultures.
Walls 1.1 mm thick. Wide neck for easy inoculating and leaning.
Complete with aluminium screw cap (autoclavable/sterilizable) or rubber screw cap (steam-autoclavable at 121°C/sterilizable) and rubber seal.
Size 15 ml also for use into centrifuges.