10PK Rubber Stoppers - Solid - 18mm Bottom, 21mm Top, 26mm Length

Pack of 10 stoppers made of superior quality, solid rubber. Orange color. Each stopper measures 26mm in length, has a base diameter measuring 18mm, and a top diameter measuring 21mm. 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.