Feature standard GL 45 thread and a compatible standard screw cap, these Erlenmeyer flasks allow airtight sealing for the specimens that are being prepared and storage.

· Made in compliance with the ISO 4796 standard

· GL 45 thread with sealing ring, and compatible screw cap.

· Flasks made of borosilicate 3.3 glass, screw caps made of PP material, fully

· autoclavable