Feature:1. [2 Set] There are two sets in total, one set is replaced, and one set can be reserved for emergency use, to meet your various need.2. [Fitment] Check valve inlet fitting adapter assembly is fit for HAYWARD CL200 and CL220 series swimming pool accessories.3. [Durable Material] Swimming pool adapter assembly is made of high quality plastic materials, which is durable and can be used for a long time.4. [Stable Performance] With High reliability, and is an essential accessory for swimming pool cleaning, so you can use it with confidence.5. [Simple To Install] This swimming pool adapter assembly is easy to install, can directly replace old and damaged ones.Specification:Item Type: Pool Adapter AssemblyMaterial: PlasticThread: External thread Approx. 16mm / 0.6inFitment: Fit for HAYWARD CL200 and CL220 seriesScene: Swimming poolApplication: Swimming pool cleaning accessoriesWeight: Approx. 30g / 1.1oz Package List:4 x Adapter 4 x Accessories