Hole-Punched Food Grade Silicone Stopper for Test Tubes, Bottles, and Water Pipes.

This versatile silicone stopper is designed for secure sealing and is perfect for use with test tubes, bottles, and water pipes. Made from high-quality, food-grade silicone, it ensures safety and durability. The stopper is hole-punched, allowing for easy insertion or venting of tubes and pipes, making it ideal for scientific experiments or home brewing. Its flexible material provides a tight and reliable seal, preventing leaks and maintaining the integrity of the contents. Easy to clean and reusable, this stopper is a practical and efficient solution for both professional and home use. Part Number: Silicone stopper with hole Manufacture country: China Instructions included: No