Tapered Plug Silicone Rubber Stopper 15mm to 20mm Solid Tub Plug with Ring for Test Tubes, Water Pipe, Drain Hole, White 2 Pcs

General description The silicone rubber conical stopper is ideal for laboratory utensils such as flasks, test tubes, and other laboratory applications. It can also be used as a sewer plug, water pipe plug, or drain plug. The stopper features a handle on the top for easy installation and removal, while its smooth surface and rust-resistant properties ensure long-lasting use. Technical specifications Bottom Diameter: 15 mm / 0.59 inch Top Diameter: 20 mm / 0.79 inch Height: 26 mm / 1.02 inch Fit Hole Size: 17-18 mm Package Contents: 2 x Silicone Rubber Tapered Stoppers Other information Made of silicone rubber with good chemical, acid, and alkali resistance Can withstand high temperatures for short periods Tapered design for solid sealing performance Flexible and durable, not easy to crack, shrink, harden, or break Please check the dimensions carefully before ordering!