• Continuous thread, external moulded graduations in 0,5 ml increments. Frosted area (55 x 10 mm).
• Blue cap in polyethylene with hermetical closure thanks to its internal elastic obturation

15 ml tubes: 429910-DL is autoclavable with cap not closed; 429920 is not autoclavable. Centrifugations force: 5000 xg

50 ml tubes. Non sterile withstand up to 12,000 xg and is autoclavable (121 ºC) with the cap loose on the thread and not tightly fitted.