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Used for covering the mouth of Erlenmeyer flasks, culture tubes and petri dishes. Waterproof film is .005" thick and conveniently provides transfer resistance from air, gases, alcohol and common acids. Sold in 4" wide by 125' (10 cm x 38 m) roll. Packaged in dispenser carton. Weighs 1 lb.
Parafilm® is a registered trademark of Bemis Co., Inc.