- Not Sterile, conical
- Longer length screw caps with sealing ring prevent any leakage
- Large unerasable frosting white printed writing area
- Graduation and writing areas are chloroform-resistant
- Engraved graduation at the conical bottom
- Max rotate speed up to 20'000xg
- Autoclavable at 121°C and freezable to -80°C
- Leak-proof
Package
Re-sealable bag or paper rack