Gucko Rubber Conical Gasket Stopper Ring Set No.1-8

Chem Lab Supplies Gucko gasket ring used to contain pressure by tightening filter flask & funnel together during lab vacuum filtration process.The rubber conical stopper set No.1-8 is used with Buchner Flask all sizes. Great for light duty vacuum applications such as vacuum filtration and liquid transfer.

Conical gaskets are generally used in place between filter funnel and filter flask