100 mm x 15 mm Petri Dish, sterile, vented cover. Note: 100 mm x 15 mm are nominal values. They are normally in the range of 92-93 mm. It is the norm in the biotech industry. Just like 2×4 lumber in HomeDepot, they are actually closer to 1 1⁄2 inches by 3 1⁄2 inches.
Optically clear Petri Dishes made from virgin polystyrene plastic.
20 dishes (2 x pack of 10 dishes).
Sterile made for laboratory use.
Venting rib cover for optimum bacterial culture growth.