These desiccators are made of unbreakable polypropylene, and hold a vacuum of 740 mm of mercury (29'') for 24 hours. They have a neoprene "O" ring in the groove of the bottom section which provides an excellent seal with upper section.The vacuum retention valve (not barbed) allows air to enter slowly to prevent damage to the samples inside. Removable pan holds calcium chloride or other drying agents and is non-corrosive. Desiccators have excellent chemical resistance, and can be used for drying or degassing small items as well as for preserving moisture-sensitive items. Desiccators also protect hygroscopic chemicals from humidity. There is no danger of implosion with desiccators.
243025 & 243025B fit plate diameter 144 mm, stock # 256025
243045 & 243045B fit plate diameter 190 mm, stock # 256045
243065 & 243065B fit plate diameter 239 mm, stock # 256065
*Factory Ship Item, allow 3 to 5 days for shipment