Polystyrene sterilized petri dishes with a double-rim design that keeps microbiological samples preserved until ready for analysis. Allows easy one-hand opening and provides a tight seal to lock in humidity. Dishes accept 47mm membrane filters and/or absorbent pads. Sterilized by gamma irradiation. Dimensions (Diam x H): 50 x 9mm. Packaged in a stackable tray with hinged cover.
Absorbent pads are ideal for absorbing broth media to culture colonies in accordance with the MF Technique.