1.Petri dish is made of high quality polystyrene. It is for fungus, bacteria and other microorganism culture.
2.Compatible with most industrial and non-industrial automatic agar-pouring machines
3.Vented design aids air flow and gaseous exchange; Non-vented dishes have flat lids that prevent evaporation to encourage a longer incubation period for anaerobic applications.
4.E.O or Gamma radiation sterile available.