Solid rubber stoppers are commonly used in laboratories, household and industries to seal or block openings such as test tubes, beakers, bottles, water pipes, drain.

Specification
Color: Black
Material: Rubber
Max Diameter: 8mm / 0.31 inch
Min Diameter: 8mm / 0.31 inch
Height: 21mm / 0.83 inch
Packing List: 5Pcs x Water Pipe Cover Decoration

Advantage
The lab plug is made of solid rubber material with good sealing performance, sturdy and durable, not easily deformed, washable, and can be used for a long time.

Instruction
The tapered design makes the stopper easy to insert and remove.

NOTE: Please confirm the rubber stopper matches the diameter to ensure sealing effectiveness.