Nalgene 2107 Wide-Mouth Polymethylpentane Sample Bottles with Polypropylene Screw Closure. The most chemical-resistant, completely transparent plastic bottles available. Bottles can easily withstand a temperature range from 20° to 175°C (68° to 347°F) and repeated autoclaving even at 150°C (302°F). NOTE: Before autoclaving, set closure on top of the container without engaging the threads.
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