General description This winterproof rubber plug is designed to protect your swimming pool pipes during winter, preventing water from entering and freezing, which can cause damage. It helps extend the life of your swimming pool pipes and reduces defrosting issues. The plugs are versatile and can be used in various applications, including blocking oil skimmers, return pipes, and detergent pipes. They are also suitable for pressure testing pool pipes or for leak detection methods, as well as preventing water from flowing out during equipment maintenance. Technical specifications Material: High-quality rubber and metal Diameter: 51 mm (2 inches) Features: Maximum stretchability, corrosion resistance, rust resistance, long service life Installation Easy to install in seconds without any tools Medium size for practicality Usage Protects swimming pool pipes from frost damage Can be used for pressure testing and leak detection Ideal for winter maintenance of swimming pools Other information