23pcs Solid Rubber Stoppers Set for Laboratory Experiments and Chemistry Lab, White Tapered Conical Plugs, Sizes 000# to 8#, Burrfree Exterior, Prevents Leakage for Test Tubes

Package List 23 x stoppers Characteristics -Size(Size 4):3.00X2.80X2.20cm/1.18X1.10X0.87in -Size(Size 1):4.20X3.30X3.20cm/1.65X1.30X1.26in -Size(Size 6):2.60X2.40X1.70cm/1.02X0.94X0.67in -Size(Size 8):2.30X1.80X1.40cm/0.91X0.71X0.55in -Material:rubber -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 -Size(Size 3):3.20X2.80X2.50cm/1.26X1.10X0.98in -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 chemistry lab stoppers -Product Info:Laboratory rubber stopper -Size(Size 2):3.80X3.00X2.80cm/1.50X1.18X1.10in -Size(Size 10):2.00X1.50X1.10cm/0.79X0.59X0.43in -Size(Size 9):2.20X1.50X1.10cm/0.87X0.59X0.43in -Size(Size 5):2.80X2.50X2.00cm/1.10X0.98X0.79in -Color:White -Resistant and Reliable: These laboratory stoppers is practical, as their robust rubber composition ensures consistency and stability even in the presence of weak laboratory chemicals rubber stopper for glassware -Size(Size 7):2.50X2.00X1.50cm/0.98X0.79X0.59inGoods Descriptionrubber bung for flask The resilient material resists distortion during repeated use, making these rubber bungs a dependable choice for sealing chemistry lab equipment or acting as a hole plug rubber insert.white tapered stopper Rubber stopper set includes round rubber stoppers in a wide range of sizes, ideal for flask and tube stoppers in laboratory experiments

• Glasswarefriendly: featuring a smooth and seamless finish, every white tapered stopper minimizes friction, reducing wear on your glass and offering a gentle, protective plug for regular lab activities,stopper for flask,assorted size stoppers
• Comprehensive size selection: offering popular assorted size stoppers, this white lab plugs set meets most laboratory sealing requirements for beakers, flasks, and tubes with differing mouth diameters,plug holes rubber stopper,rubber stoppers
• Safe for laboratory glassware: designed with a smooth, burrfree exterior, every conical rubber stopper reduces risk of scratching glass beakers or damaging vessels, ensuring the longevity of your lab equipment,rubber corks assorted sizes,tapered lab bung
• Extensive stopper variety: 23 round rubber stoppers cover different sizes, so every set includes the perfect rubber stopper for bottle, test tube, flask, or graduated cylinder found in teaching labs or research settings,hole plug rubber,tapered sealing plugs
• Reliable stopper solution: the solid rubber stopper silicone stopper construction ensures protection for contents, making it a dependable plug holes rubber stopper for chemical and labs alike,flask and tube stoppers,science lab stoppers