FunChem Filter Adapter Cones, 9 Pack White Wear-Resisting Tapered Collar Rubber Stopper Buchner Funnel Flask Cones Adapter Set, Smooth Surface, Blue

Limited Warranty: 1-month hassle-free and 1-year limited warranty. No matter a replacement or a full refund for the damaged item, we are willing to take care of it for you in a timely manner. Made of durable vulcanized rubber in good elasticity; tapered collar design achieves good experimental result in seal It can be used as a single assembly or used for interlinking apparatus; reduce the damaged risks for glass stems Please keep these rubber filter cones away from acid, alkali and corrosive reagents; product temperature range: 0 - 70 degree centigrade; high temperature may cause melting Guaranteed after-sales service: if received defective or damaged item, please contact us.