Due to high demand, the case of 100 is currently out of stock. Be the first to receive your items by placing a pre-order today. We will automatically ship this to you when we receive more inventory.
Reusable, non-absorbent, white foam stoppers provide a snug fit, yet allow free airflow. Ideal for Erlenmeyer flasks when propogating yeast cultures.
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Autoclavable up to 249°F (121°C)
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Fits 35-45mm inner diameter openings in graduated cylinders, tubes, and flasks
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Easily manipulated - springs back to original shape after use
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Resists alcohols, bases, esters, and dilute acids
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