Polypropylene stopcock with PTFE plug, and two round polypropylene shelves, 14-1/2" and 9" (36.8 cm and 22.9 cm) in diameter.
Desiccator will hold a full vacuum (29" Hg, 737 mm Hg) at room temperature for 24 hours and remain airtight for extended periods of time even if not under vacuum. The gasket, with an application of vacuum grease assures a tight seal down to 0°C. The stopcock accepts 1/4" I.D. (6.4 mm) tubing.
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