PYREX® Glass Petri Dishes, Bottom Only

These flat clear PYREX® petri dish bottoms will withstand repeated sterilization (wet or dry). PYREX® glass petri dish bottom edges are beaded to provide greater mechanical strength. The bead also provides a means to equally space the side walls of the bottom and cover - thereby reducing the capillary action of the condensed moisture on the sides. They are not affected chemically or thermally by any of the methods commonly employed in laboratories where sterilization is routinely used. The bottoms are marked in white enamel to make sorting easier. Bottoms also have a triangular enamel reference point for serial dilutions. Petri dish covers are not included.

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