PMP. Tall form, class A acc. to DIN 12681 and ISO 6706, DE-M marked, transparent, with hexagonal base and ring-moulded graduations. Accuracy is checked individually and marked with 'H'. With lot certificate indicating lot number and year of production, also on the measuring cylinder. Exposure to temperatures up to 121 °C (autoclaving) will not cause permanent exceeding to tolerance limits.