Description: 2500ml Buchner Funnel Apparatus Filteration Kit for Vacuum Suction Specifications: Material: Borosilicate Glass 3.3 Standard: ISO international standard Capacity: 2500 mL Size: As the picture shows Usage: Connect the hose connection on the filter flask to a vacuum pump to do vacuum filting. Package Included: 1x 2500ml Glass Filtration Flask 1x 120mm Porcelain Buchner Funnel 1x Rubber Stopper More Details: