China Petri Dish Overviews Labmore庐聽petri dishes, sterile are designed to fit all commercially available block incubators. They are Triple vented with slightly raised lid for optimum gas exchange. Our petri dishes are ideal for microscopic analysis which can be used with hot agar. 聽 Features 鈥⒙燙rystal-grade, virgin polystyrene for optical clarity 鈥⒙燬terilized by EO 鈥⒙燰ents for gas exchange 鈥⒙燬uitable for auto filling machine Ordering聽 CatDetailsSterilePcs/PackPcs/Ctn WPD1003535mm Petri Dish, SterileYes20500 WPD1006060mm Petri Dish, SterileYes20500 WPD1010090 mm Petri Dish, SterileYes20500 聽China Petri Dish website:http://www.welsobio.com/microbiology-consumables/petri-dish/