20pcs Solid Rubber Stoppers: Flexible Plugs for Chemistry and Biology Labs - Assorted Sizes Scientific Research Seal for Precision Experiments

DescriptionIdeal for both DIY enthusiasts and professionals, these laboratory rubber stoppers and labs replacement parts provide excellent durability and a watertight seal. Acting as plug stopper, bottle stopper, or rubber stopper for container, the construction withstands extended usage, minimizing frequent replacements for pipes, bottles, and lab tubes.Features-Color:Black-Material:rubber-Size 1:2.10X1.27X0.82cm/0.83X0.50X0.32in-Size 2:2.50X1.50X1.00cm/0.98X0.59X0.39in-Size 3:4.20X3.50X2.60cm/1.65X1.38X1.02in-Reliable Tight Seal: Featuring a unique cone shape, these rubber sealing plugs tightly fit various diameters, protecting against leaks in lab tubes, water pipes, and glass rubber stopper applications-Universal Compatibility: These plug stoppers serve as both rubber stoppers for vials and lab plugs, ensuring their functionality in experimental, domestic, or industrial containers-Replacement : replacement parts in a single package, these solid rubber stopper for holes can address multiple repair scenarios for maximum value and efficiency- Rubber: The high elasticity and robust composition of these sealing plugs means use, minimal deformation, and persistent reliable performance-Quick Installation & Removal: Whether used as a rubber stopper with hole or for seal, each stopper plug installs effortlessly by hand—perfect for maintenance needs

• Reliable Tight Seal: Featuring a unique cone shape, these rubber sealing plugs tightly fit various diameters, protecting against leaks in lab tubes, water pipes, and glass rubber stopper applications
• Universal Compatibility: These plug stoppers serve as both rubber stoppers for vials and lab plugs, ensuring their functionality in experimental, domestic, or industrial containers
• Replacement : replacement parts in a single package, these solid rubber stopper for holes can address multiple repair scenarios for maximum value and efficiency
• Rubber: The high elasticity and robust composition of these sealing plugs means use, minimal deformation, and persistent reliable performance
• Quick Installation & Removal: Whether used as a rubber stopper with hole or for seal, each stopper plug installs effortlessly by hand—perfect for maintenance needs