kord valmark 60 x 15mm stackable petri dish rnase and dnase free sterile 500 cs

Standard stackable petri dish made from crystal clear polystyrene for general microbiological use. Smaller diameter uses less media - “Media Saver” is ideal for water treatment and pharmaceutical membrane. Clear top and bottom viewing surfaces 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 20 dishes to a sleeve. 500 sterile petri dishes per case