10 Assorted Sizes 000#-7# Tapered Lab Bungs Solid Rubber Stoppers
Note: These rubber stoppers are not food-grade. The rubber plug is cone-shaped, easy to pull and insert, and has good sealing performance, which is very suitable for use with non-corrosive or concentrated solutions.
25Pcs Black Rubber Stoppers Assorted Sizes for Lab Use
Crafted from high-quality rubber, these stoppers provide excellent sealing performance, ensuring that your solutions are safely contained. Their cone-shaped design allows for easy insertion and removal, making them user-friendly and efficient for daily lab operations.