These vented petri dishes are designed for laboratory use. They are molded from biomedical grade polystyrene with emphasis on optical clarity. There are no marking spots on the lid to obstruct visibility. Bottom flatness is carefully controlled to ensure even distribution of media and organisms. Dishes are packaged in easy opening plastic sleeves. ...

  

These vented petri dishes are designed for laboratory use. They are molded from biomedical grade polystyrene with emphasis on optical clarity. There are no marking spots on the lid to obstruct visibility. Bottom flatness is carefully controlled to ensure even distribution of media and organisms. Dishes are packaged in easy opening plastic sleeves. ...

  

These vented petri dishes are designed for laboratory use. They are molded from biomedical grade polystyrene with emphasis on optical clarity. There are no marking spots on the lid to obstruct visibility. Bottom flatness is carefully controlled to ensure even distribution of media and organisms. Dishes are packaged in easy opening plastic sleeves. ...