Material:virgin polypropylene (autoclavable)
 
Centrifugal force:
  20,000 x G (water 4.0 mL / 15 minutes)
 
With scale (1.0 / 1.5 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0 / 4.5 / 5.0 mL)
Flat top (with marking space)