10PK Rubber Stoppers - Solid - 9mm Bottom, 11.5mm Top, 20mm Length

Pack of 10 stoppers made of superior quality, solid rubber. Orange color. Each stopper measures 20mm in length, has a base diameter measuring 9mm, and a top diameter measuring 11.5mm. The durable, rubber construction is suitable for use with chemicals. Resistant to acids, alkalis and ammonia. Easy to clean. Stable at temperatures between -20°C - 70°C. Stoppers are designed for use in professional laboratories, but are perfect for a variety of applications in the home and garage.