Buchner Funnel Vacuum Filtration Kit - 8 Sizes Laboratory Glassware Set for Chemistry Experiments & Scientific Research - Perfect for Solvent Filtration, Distillation & Lab Analysis

Buchner Funnels used with vacuum filtering require sealing adapters to enable secured attachment between flasks and funnels ensuring a steady, leak-proof transfer of solutions. Our tapered filtering flasks sealing adapters can be used individually or nested together to provide the perfect seal. The tapered filter adapter cones set is made of high quality rubber and is usually used as a connection between; a Buchner funnel and a glass filter flask, a glass funnel to flask, any glass to glass contact point and connections requiring a seal. They are used for filter funnels or Buchner funnel, which can be used singly or nested with adjacent sizes, reduces the risks associated with insertion and removal of glass stems through these rubber stoppers. Rubber Sealing Adapters come in tan as shown. Adapters are sold as a set of eight sizes. Lab quality from a labware company.