Catalog item
A flexible, self-sealing thermoplastic paraffin film for sealing culture vessel lids, Erlenmeyer flasks, and lab containers. Stretching activates the adhesive seal. One layer provides a vapor barrier while permitting some gas exchange. Widely used on glass jars and Magenta GA7 vessels as an alternative to cotton plugs. Available in 2" and 4" widths; 4" is standard for most tissue culture vessels.
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