This set of petri plates come already sterile via gamma radiation and ready for use for microbiological testing such as yeast and mold count, aerobic plate count, etc. Made of 100% pure polystyrene, it is sturdy and doesn't break. Also features special vents for air exchange. After use, it should be properly disposed and not reused.
Material: 100% Pure Polystyrene
Size: 15mm x 55mm