Tapered Plug Silicone Rubber Stopper 25mm to 33mm Solid Bathtub 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, or other laboratory applications. It can also be used as a sewer stopper, water pipe stopper, 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: 25 mm / 0.98 inch Top Diameter: 33 mm / 1.3 inch Height: 28 mm / 1.1 inch Fit Hole Size: 28-30 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 a short time Tapered design for solid sealing performance Flexible and durable, not easy to crack, shrink, harden, or break Please check the dimensions carefully before ordering!