2Pcs Swimming Pool Winterizing Plugs, 38mm/1.5in Rubber Expansion Gel Plug for Swimming Pool Spa Piping Winter Fittings Maintenance

General descriptionYou will receive 2 pieces of swimming pool antifreeze plugs made from high-quality rubber. These plugs are designed to provide excellent sealing performance and durability, making them ideal for winterizing your swimming pool and spa piping.Technical specificationsSize: 38mm/1.5inWeight: 145g/5.1ozUsageThe winterizing plugs are used to block pipes after draining the pool, preventing water from entering and freezing. They can also serve as rubber stoppers for oil skimmers, water return, and cleaning pipes during winter. Additionally, they can be used to test the pressure of the swimming pool pipe or to stop water flow during equipment maintenance.