Abdos high quality disposable Petri Dishes are suitable for all microbiological applications manufactured as per ISO 24998 ‘Plastics laboratory ware — Single-use’. Robust dimensional accuracy of 90 mm ensures compatibility with most automated systems. Extremely high optical clarity for easy view on microscope. Vented Dishes have elevated lid that allows for superior gas exchange and evaporation. Non-Vented Dishes have flat lid that prevents evaporation, encouraging long incubation period & anaerobic application. Shallow dish design allows for maximum use of incubator space.