KALLORY 23pcs Solid White Rubber Stoppers Assorted Sizes 000# to 8# Tapered Conical Lab Stopper Kit for Test Tubes and Flasks, Prevents Evaporation, Reusable for Laboratory Experiments

Package List 23 x stoppers Features -Size(Size 10):2.00X1.50X1.10cm/0.79X0.59X0.43in -Size(Size 1):4.20X3.30X3.20cm/1.65X1.30X1.26in -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 rubber flask stoppers -Size(Size 5):2.80X2.50X2.00cm/1.10X0.98X0.79in -Size(Size 2):3.80X3.00X2.80cm/1.50X1.18X1.10in -Color:White -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 -Product Info:Laboratory rubber stopper -Size(Size 3):3.20X2.80X2.50cm/1.26X1.10X0.98in -Size(Size 8):2.30X1.80X1.40cm/0.91X0.71X0.55in -Size(Size 6):2.60X2.40X1.70cm/1.02X0.94X0.67in -Size(Size 4):3.00X2.80X2.20cm/1.18X1.10X0.87in -Material:rubber -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 bottle -Size(Size 7):2.50X2.00X1.50cm/0.98X0.79X0.59in -Size(Size 9):2.20X1.50X1.10cm/0.87X0.59X0.43inGoods Informationrubber flask stoppers Rubber stopper set includes round rubber stoppers in a wide range of sizes, ideal for flask and tube stoppers in laboratory experiments.test tube stopper 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

• Gentle on glass: every piece in this rubber stopper set is smoothed to prevent chipping or scratching scientific glassware, providing a secure alternative to harder or unfinished stoppers,lab rubber stoppes,rubber stopper for glassware
• Chemical durability: the stopper assortment kit stands up to routine lab environments, as every sealing rubber stopper is engineered to resist deterioration caused by mild acids, alkalis, or regular cleaning regimens,flask rubber plug,stopper for test tube
• 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,white tapered stopper
• 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 flask,rubber stopper kit
• Flexible and resilient: the rubber stopper set delivers perfect elasticity for daily use—each rubber bung for flask can be inserted and removed repeatedly without risk of permanent deformation or poor fit,solid rubber stoppers,rubber bungs