Petri Dish, 55mm, Contact Plate

Ideal for use in routine hygiene monitoring of surfaces Concave profile of the dish raises the profile of the media when set giving better contact between the agar bed and surface under test. 25cm2 surface area - conforms to both the Institute of Environmental Sciences (IES, 1993)and the International Pharmaceutical Federation (I.P.F., 1990) Standards. Aseptically manufactured under clean room conditions (class 7 ISO14644) to exclude microbiological contamination. Triple vented - aids gaseous exchange. Numbered grid on the base - facilitates colony counting. Deep skirted base - aids stability when stacked. Sterility: (AS) Aseptic Manufacture.