Description:2500ml Buchner Funnel Apparatus Filteration Kit for Vacuum SuctionSpecifications:Material: Borosilicate Glass 3.3Standard: ISO international standardCapacity: 2500 mLSize: As the picture showsUsage: Connect the hose connection on the filter flask to a vacuum pump to do vacuum filting.Package Included:1x 2500ml Glass Filtration Flask1x 120mm Porcelain Buchner Funnel1x Rubber StopperMore Details: