Chemglass Hollow Pennyhead Stoppers are designed for securely sealing laboratory glassware with a closed bottom to prevent leaks. These stoppers are made from high-quality materials, providing a tight fit and reliable seal. Their design ensures compatibility with a variety of glassware, making them versatile for laboratory use. They are ideal for applications where airtight sealing is critical to maintaining sample integrity.
- Securely seals laboratory glassware
- Made from high-quality, durable materials
- Compatible with various glassware types