Labasics Filter Adapter Cones, Durable Tapered Collar Rubber Stopper Buchner Funnel Flask Cones Set, Wear Resistance Smooth Surface, Pack of 9, White

Come with 9 different diameters and flexible use for various sizes of experimental filtration apparatus Made of durable vulcanized rubber, good elasticity, smooth surface, and wear-resisting It can be used as a single assembly or used for interlinking apparatus; reduce the damaged risks for glass stems when inserting or removing them through the rubber filter adapter cone Tapered collar design achieves good experimental result in seal; good tolerance to acids and alkali Please notice: keep these rubber filter cones away from acid, alkali and corrosive reagents; product temperature range: 0 - 70 degree centigrade; high temperature may cause melting