Rubber Stopper #3
Our Rubber Stopper #3 is a versatile and durable sealing accessory, ideal for laboratory experiments and various educational projects. Crafted from high-quality, flexible rubber, it creates an airtight seal for bottles and containers—commonly fitting sizes ranging from 16 oz to 2-liter bottles. Its resilient construction prevents leaks and contamination, ensuring safe and controlled experimental setups. Easy to clean and reusable, this rubber stopper is an essential tool for classrooms, labs, and creative projects alike.