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Disposable polystyrene petri dishes offer optical clarity and strength at economical prices. 65mm dish includes a molded-in grid on the lid for easy colony counting. Sterilized. Not slippable.

United Scientific&#153; Petri Dishes, Polystyrene, 3-9/16&quot; Dia. x 9/16&quot;H, Pack of 500

petri-dishes-polystyrene-3-916-dia-x-916h-pack-of-500

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United Scientific™ Petri Dishes, Polystyrene, 3-9/16" Dia. x 9/16"H, Pack of 500