Rubber Stopper, Conical Solid, Black, 5/10 Pack

Pack of 10 to meet the airtight sealing needs of various types of laboratory vessels Engineered to maintain elasticity and sealing integrity through repeated laboratory use, ensuring long-term airtight seals for glassware Available in standardized sizes for diverse glassware joints; please confirm measurements pre-purchase to guarantee proper fit with lab equipment (±1mm measurement error) Exclusively formulated for laboratory environments, not rated for food contact 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly