Disposable planar, clear Petri dishes in PS. Available in several diameters, ventilated and unventilated, aseptic or radiation-sterilised. Styles with 2, 3 and 4 separate compartments. Designed for routine lab work and bacteriological research. Available with aeration notches on the lid to prevent condensation formation, or without aeration notches to avoid agar dessication after incubation.