Complies with DIN ISO 13130 Manufactured from borosilicate glass 3.3 Due to the high wall-thickness of the vessels and the exact machining of the vacuum-tight ground joints on the lid and base, storage under vacuum is possible – even over extremely long periods To accelerate the drying process, a vacuum can be applied via the stopcock Suitable for full vacuum (0 mbar) Spare parts such as lids, bases, stopcocks and caps can be interchanged as required (observe DN) Available with or without porcelain plate