Specification Brand : Electron Microscopy Sciences BulletPoint : Vacuum, Pressure, Indicator BulletPoint1 : Large interior volume with extra heavy walls. BulletPoint2 : Stopcock with PTFE plig. BulletPoint3 : Fully visible. BulletPoint4 : Inside Dia. 197 mm BulletPoint5 : Plate size 190 mm, Clearance plate above 157 mm ItemName : Vacuum Pressure Indicator ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-vacuum-desiccators Manufacturer : EMS ModelNumber : 71242-01 NumberOfItems : 1 PartNumber : 71242-01 ProductDescription : This Vacuum-Pressure Indicator fits between the desiccator dome and the desiccator stopcock. Its slips easily onto the tapered outlet of the desiccator dome and into the standard desiccator stopcock without requiring any tools.. The thermo-plastic elastometer collapses when there is negative pressure vacuum in the desiccator and expands under ambient atmospheric pressure. ProductSiteLaunchDate : 2014-05-02T18:24:50.826Z Size : EA