Rubber Tapered Plug, 8 Pack Black Rubber Tapered Solid Test Tube Stopper with Hole for Lab Home Various Sizes(14mm-19mm)

The Rubber Tapered Plug is great for laboratory utensils such as flasks, test tubes, or other laboratory applications, also can as a sewer plug, water pipe plug, or drain plug.The tapered plug is in size of: Bottom Diameter:14mm / 0.55 inch; Top Diameter:19mm / 0.75 inch; Height: 25mm / 0.98 inch; Hole Diameter: 5mm / 0.2 inch; In the package of: 8 x Rubber Tapered PlugMade of Rubber, with good resistance to s, acid and alkali resistance, can withstand high temperatures in a short time. There is a hole in the center of the plug for inserting a glass tube, very convenient for meeting your needs.Conical design, solid, easy to install and good sealing performance, flexible and durable, not easy to crack, shrink, harden or break.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

• The tapered plug is in size of: Bottom Diameter:14mm / 0.55 inch; Top Diameter:19mm / 0.75 inch; Height: 25mm / 0.98 inch; Hole Diameter: 5mm / 0.2 inch; In the package of: 8 x Rubber Tapered Plug
• The Rubber Tapered Plug is great for laboratory utensils such as flasks, test tubes, or other laboratory applications, also can as a sewer plug, water pipe plug, or drain plug.
• Conical design, solid, easy to install and good sealing performance, flexible and durable, not easy to crack, shrink, harden or break.
• Made of Rubber, with good resistance to s, acid and alkali resistance, can withstand high temperatures in a short time. There is a hole in the center of the plug for inserting a glass tube, very convenient for meeting your needs.
• Please note these rubber stoppers are NOT food grade