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Perforated PP desiccator plate, silicon O-ring, stopcock, and three-way plug.
These vacuum desiccators can hold a vacuum up to 29” (740 mm) Hg for 24 hours without any greasing. The top dome with molded-in knurled knob is constructed of rigid, transparent polycarbonate (PC), providing you a clear view of your sample.
The lower half is made of white polypropylene (PP) and includes a perforated PP desiccator plate. An internal groove on the flange holds the silicon rubber O-ring that provides leakproof vacuum capability.
A PP stopcock accepts ¼” (6.4 mm) ID vacuum tubing and features a self-lubricating PTFE plug. The three-way plug allows you to create, hold, and release the vacuum. Autoclavable at 121°C for 15 minutes.
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