⚫︎ Silicone rubber taper plugs are suitable for laboratory equipment such as flasks, test tubes, or other laboratory applications. They can also be used as drain plugs, water plugs, drain plugs, or bathtub plugs. They have a handle on top for easy installation and removal, a smooth surface, and are rust-resistant, ensuring long-term use. ⚫︎ Taper plug size: Bottom diameter: 21mm; Top diameter: 28mm; Height: 28mm; Mating hole dimensions: 23-26mm; Package contents: 2 x Silicone rubber cone plugs ⚫︎ Made of silicone rubber, it has good resistance to chemicals and acids/bases, and can withstand high temperatures for a short time. ⚫︎ Conical design, solid and easy to install, with good sealing performance, flexible and durable, and not prone to cracking, shrinking, hardening, or breaking. Silicone Rubber Cone Plug 21-28mm Solid Bathtub Stopper with Ring Test Tube Water Pipe Drain Hole White Set of 2 ⭐️Free Shipping⭐️.*° Please check the actual photos for the product condition♪ #Omochi's Product List is here ✨☜ 39-63 9031