10pcs Tapered Rubber Test Tube Stoppers with Two Holes, Beige Lab Rubber Plugs for Flask and Vial Sealing, Chemistry Supplies for Laboratory Glassware with 28mm Bottom Diameter

Package Include 10 x rubber stoppers Features - Color: Beige -Product Info: rubber test stopper -Convenient value pack: the rubber stopper for lab tube, giving plenty of lab stoppers with hole to supply all your laboratory rubber stopper needs seal tube stopper plug - Size: 3.80X3.80X3.00cm/1.49X1.49X1.18in -Tight seal: thanks to the seal tube stopper plug tapered form, each rubber stopper laboratory product fits snugly, preventing leaks in chemistry supplies for labs bung stopper with hole -Longterm usability: each reusable stopper serves as a solid rubber stopper for holes, making them robust enough for everyday lab rubber stoppers applications cork stopper with hole -Material:Rubber -Universal fitment: designed as a rubber bottle stopper with hole, suitable for mini rubber bottle stoppers and large containers, simplifying lab solid rubber stoppers selection seal plug stopperGoods Informationsmall rubber stoppers Engineered for laboratory applications, these solid rubber stoppers with holes are perfect for securely sealing test tubes, vials, or flasks while allowing tubing insertion.vial rubber stoppers The tapered rubber stopper with hole adapts to various glassware and ensures a leakproof fit, giving confidence during chemical reactions or sample transfers.cork stopper with hole Designed for long-term use and repeated applications, these reusable stoppers function as reliable rubber flask stoppers, lab solid rubber stoppers, or replacement stopper options for chemistry setups

• Sturdy and reusable: made as solid rubber stoppers, these replacement stopper pieces are environmentally friendly and can withstand repeated lab workflows,test tube stoppers with holes,rubber stopper with two holes
• Enhanced multifunctionality: the vial rubber stoppers feature a dualhole design, supporting simultaneous gas inlet and outlet in chemistry lab setups for efficient lab rubber stoppers with hole usage,rubber stoppers with hole,rubber stoppers with holes
• Tight seal: thanks to the seal tube stopper plug tapered form, each rubber stopper laboratory product fits snugly, preventing leaks in chemistry supplies for labs,drilled rubber stopper assortment,test tube stoppers
• Sealing strength: tapered rubber stoppers provide enhanced sealing rubber performance, ideal for test tube rubber stoppers and flask stopper with hole scenarios,rubber stopper for chemistry lab,seal plug stopper
• Comprehensive assortment: we offer rubber stoppers plugs, catering to laboratory rubber stopper assortments and bulk replacement needs for busy labs,small rubber stoppers,bung stopper with hole