These autoclavable desiccators are made of polypropylene (PP) and polycarbonate and can hold vacuum up to 740mm Hg for 24 hours without any greasing. The PP stopcock has a self lubricating PTFE plug that works to create the vacuum, shut it off and release it. Non-vacuum (Plain) desiccators are physically the same as vacuum desiccators. Only difference is the absence of stopcock. Grease should be applied on the flanges to make it air-tight.
*Maximum Clearance above plate
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*This item usually ships in 7 to 10 business days. If product totals are over $100 and express shipping is chosen, it will ship in 2 to 3 business days. Note: The speed in which your order arrives is determined by the freight method you choose at checkout.