AnRui 6 Pack Rubber Stopper with Hole Black Tapered Lab Seal Rubber Stoppers 18mm to 24mm Test Tubes Bungs Plug for Industrial, Laboratory, Home Use

Rubber tapered plug great for industrial/construction applications. Such as flask,test tube or other laboratory applications. Specifications : Material : Rubber Color : Black Package Include: 6 x Rubber Stoppers Kindly Tips: Some dust will be on the rubber stopper surface,just wash by water. And pls put them in some place where the children cannot reach.

• Rubber Stoppers Size: Bottom Diameter: 18.2mm / 0.72"; Top Diameter: 24mm / 0.94"; Height: 25mm / 0.98"; Package Include: 6 x Black Rubber Stoppers Plugs
• Material: Test tube stoppers are made of high quality rubber, which is durable, not easy to deform, elastic and has good sealing performance.
• Tapered Design: Smooth and tapered rubber stoppers plugs are easy to pull and insert. There is a hole in the center of the rubber plug for inserting a glass tube, convenient for meeting your needs.
• Widely Used: These rubber stopper with hole are suitable for laboratory, industrial and home use, and can be used as bottle stoppers,sewer plug, water pipe plug, or drain plug.
• Please check the size carefully before ordering! This product has a smell, please put it in a ventilated place before use to reduce this smell.