Plasticoid VWR Black Rubber Stoppers

Introducing the Plasticoid VWR Black Rubber Stoppers, designed for versatility and reliability in your laboratory or workshop. This pack includes one-hole stoppers, ideal for sealing flasks, test tubes, and other glassware while allowing for the insertion of tubing or probes. Made from high-quality rubber, these stoppers provide an airtight seal, preventing contamination and ensuring accurate results. Their durable construction ensures they withstand repeated use, making them a staple for any scientific endeavor. Perfect for both professional and educational settings, these stoppers are a must-have for your lab supplies!