Desiccator Vacuum, 20cm - With Stopcock - Polypropylene and Polycarbonate

Holds a full vacuum (740mm Hg 20cm) at room temperature for 24 hours - Will remain airtight even if not under vacuum Clear polycarbonate top on a chemical-resistant white polypropylene bottom Internal groove on the flange holds a silicone rubber O-ring (I.D.: 200 mm, Flange O.D.: 232 mm) Fitted with a polypropylene stopcock with a self-lubricating PTFE plug which allows a controlled entrance of air preventing unnecessary turbulence ‘Flat Dome,’ clear polycarbonate top with large ribbed knob which maximizes interior clearances Desiccator holds a full vacuum at room temperature for 24 hours and will remain airtight even if not under vacuum. Autoclavable. A common use for desiccators is to protect chemicals which are hygroscopic or which react with water from humidity. Used for preserving moisture-sensitive items. Clear polycarbonate top on a chemical-resistant white polypropylene bottom. Internal groove on the flange holds a silicone rubber O-ring. Fitted with a polypropylene stopco