Airtightness: these solid rubber stoppers make sure a secure and reliable seal, acting as hole plug rubber for various lab glassware and preventing unintended exposure of samples,plug holes rubber stopper,drilled rubber stopper
Multiple size options: the stopper assortment kit includes carefully selected sizes (from 000# to 8#), catering to every lab need from plugging test tubes to sealing erlenmeyer flasks as required by experiments,laboratory stoppers,solid lab stopper
Chemical durability: the stopper assortment kit stands up to routine lab environments, as every sealing rubber stopper is engineered to caused by mild acids, alkalis, or regular cleaning regimens,rubber corks assorted sizes,rubber stopper for glassware
Universal fit design: this lab rubber stoppers kit contains multiple sizes from 000# to 8#, ensuring tapered plug for holes matches the most common laboratory flasks, bottles, and glass containers seamlessly,white lab plugs,assorted size stoppers
Performance: these flask and tube stoppers are built with rubber, maintaining shape and seal throughout multiple uses, ideal for longterm lab equipment stopper needs,stopper for test tube,flask stopper