kord valmark 100 x 15mm stackable quad chamber petri dish with iso mark rnase and dnase free sterile 500 cs

Standard stackable petri dish with s ide arrows and ISO Mark designed for simultaneous studies of organisms in a common environment. Disposable (single use) polystyrene petri dish for general microbiological use. Molded from medical-grade virgin polystyrene and o ptically clear Radiation sterilized and c ontents sterile if sleeve is unopened Ventilation ribs allow for free air circulation and reduce condensation during incubation. Flared lid skirt and squared corners for easy one-hand operation, especially with gloves 25 dishes to a sleeve. 500 sterile petri dishes per case