The Valve Sealing Gaskets are essential accessories for aquarium CO2 systems. Made from silicone materials, these gaskets are and reliable, ensuring use without easily getting damaged. With their tight seal design, they effectively prevent water leakage in the tank. The installation is simple and user-friendly, allowing users to easily replace the gaskets themselves. Suitable for various aquariums and fish tanks, these gaskets meet the needs of different users. Features -Color:White -Material:Silicone -Size:0.80X0.80X0.10cm/0.31X0.31X0.04in - This sealing gasket accessory is specifically designed for aquarium valve. Can be widely used. - Its sealing performance is very useful, ensuring that no water leaks out of the valve during use. - The gasket is built to withstand long-term use, making it and reliable choice for aquarium. - Installing the gasket is a breeze, requiring minimal effort and time. Can give you more convenience. - Made of safe silicone material, this sealing gasket not interfere other tanks accessories, useful. Package list: 5 x Sealing Gaskets