CELLTREAT® Petri Dishes with Grip Ring, 100 mm x 20 mm, Polystyrene, Sterile, Stackable, 300/Case

These petri dishes have thicker and more durable plastic than standard petri dishes and both can be used for the same applications. Vented lids contain molded spacers to allow gas exchange.  A molded grip ring is attached to each dish to help with handling.