Equipped with gasket: Our pool strainer caps will be packed with suitable round washers to use, which can safely strengthen the gasket connection of the pool pump basket to prevent leakage, and you No need to buy the round washers separately. Usage: Our spa parts pump caps can be applied in many places, like swimming pools, bathtubs, suitable for many types of drainage pumps on the market. Fine workmanship: Our replaceable swimming pool filter drain plugs have fine workmanship and contain smooth, precise angle and clear thread, which can bring you a pleasant experience when you use our swimming pool pump spare parts. The kit to replace pump drain plugs. You can replace the pool inlet caps if necessary, which will easily satisfy your needs O-rings are essential to ensure the tightness of the pipe caps. But most of the time, the drain plug O-rings are the cause. To prevent this, our drain plug o-rings can withstand extreme temperatures becoming brittle or deformed.