Versatile: Winter pool plug is suitable for Intex pools up to 457 cm in diameter, for for Bestway pools with shut off valves and smaller pools with internal pump connections with an 83 mm external threadFeatures: Winter closure set, completely frost anti and tight, it prevents water from causing serious damage in the pipes with covers and protects your pool from winterQuick Assembly: Simply screw the winter plug onto the threads of the pump hose and your pool is protected from freezing in secondsPool Winter Plug: With this set of practical winter plug, you can safely take your pool into the winter and start bathing with confidence in the springProduct Dimensions: diameter approx. 9 cm/3.54 inch Specification: Material: Rubber PlasticProduct Size: Diameter about 9 cm/3.54 inch Package Includes: 1Winter Pool Plugwith Matching Seal Note: Please allow slightly errors 1-2cm differences due to manual measurement.