General description The Pool Winter Plug is a premium quality product designed for effective winter maintenance of pool fittings. Made from sturdy rubber and featuring stainless steel wing nuts, this plug ensures a reliable seal and prevents water from entering the pipes during winter, protecting nozzles and drainage openings from frost damage. Technical specifications Diameter: 51 mm Material: Rubber with stainless steel wing nut Compatibility and accessories Fits all standard pool inlet nozzles Suitable for pressure testing and pool hose maintenance Installation Easy to install Wing nut allows for a secure and waterproof fit Usage Prevents water flow into pipes during winter Protects against frost damage