kord valmark 100 x 15mm stackable petri dish rnase and dnase free sterile 500 cs

Sterile standard sized petri dish that is stackable 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