Pool plugs 2 in: This package includes 2 pack pool plugs. The pool plugs for above ground pool are enough to meet your daily use and replacement needs Widely used: This pool plug is applied as a tube plug, which can return and avoid entering tubes in winter; This expansion plug also has other uses, such as testing the pressure of pool and preventing flow from the pool during equipment maintenance Stable performance: the winter plug for pool is made of rubber, which is stable and firm; Moreover, this threaded backwater plug of swimming pool is also carefully made, which is resistant to cold and does not slide or shrink; You can use these plugs for a long time Complete winter protection: these expandable rubber plugs can guard your swimming pool tubes by preventing from entering the tubes; You only need to screw the plugs into backwaters; Threaded swimming pool return tube plugs can help prevent the tubes from breaking Applicable Occasion: These pool skimmer plugs can be applied as tube plugs to plug storage devices, and threaded pool return tube plugs are suitable for winter plugs of above-ground and swimming pools in winter; You can use them in your outdoor swimming pool, kitchen and bathroom sinks and small indoor swimming pools A simple solution which prevents your pool from running into serious damage. Used as pipe plugs, to plug skimmers, returns and cleaner lines - to prevent water from entering the pipes during winter. Expansion plugs have other uses too, such as pressure testing pool lines or other methods of leak detection, or stopping water flow from the pool when equipment repairs are made. Heavy duty plugs made with stainless steel bolts, rubber compression body and are corrosion resistant. Made to work day in, day out. Will last you for many seasons.