Economical Polystyrene Petri Dishes
Petri dishes allow for obstruction-free and distortion-free viewing due to the flatness of the lid, absence of cracks and stress marks, and 0.0005" of extremely flat bottom from edge to center. Easy one-handed opening. Reusable. Sterilized prior to packaging, (not for immediate sterile use). Package of 20 dishes. Ideal for classroom use.
 Gift Wrap Available
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