Description These tapered lab plugs are designed to provide a secure seal for various laboratory equipment. Made from solid rubber, the rubber stoppers plugs ensure a tight fitting and prevent any leaks or spills. The sleek color adds a clean and professional look to your lab setup, ideal for both education and professional environments. Features -Color:White -Material:Rubber -Size:4.20X3.20X3.10cm/1.65X1.26X1.22in -Size:3.40X3.00X2.50cm/1.34X1.18X0.98in -Size:2.90X2.70X2.00cm/1.14X1.06X0.79in -Size:2.60X2.10X1.50cm/1.02X0.83X0.59in -Size:2.40X1.70X1.40cm/0.94X0.67X0.55in -Size:1.60X1.35X0.80cm/0.63X0.53X0.31in -Laboratory supplies: our rubber plug ensures a tight seal during experiments, effectively preventing reagent evaporation and maintaining the integrity of your results -Rubber material: made from sturdy rubber, these stoppers are built to last, providing reliable performance in various laboratory settings -Variety of sizes: available in different sizes to fit various conical flask openings, our rubber stoppers plugs are versatile for a wide range of laboratory applications -Extended equipment lifespan: suitable for multiple experimental environments, these rubber stoppers help prolong the life of your laboratory equipment -Tapered plug design: the tapered shape ensures a fit in flask openings, make the stopper ideal for precise and demanding experimental scenariosPackage list: 18 x rubber plugs (000#, 0#, 2#, 4#, 6#, 8#)