Polystyrene Sterile Petri Dish Unvented 20/PK 90 X 15 mm

Twenty, sterile polystyrene optically clear, unvented petri dishes, packed in a sealed sturdy polyethylene sleeve. These dishes are manufactured under strict aseptic conditions within a Class J clean room. The dishes remain under clean room conditions throughout the manufacturing process. They conform to BS 611 which involves stringent control of rigidity, thermal resistance, stackability and dimensional consistency.