Item Type: Pool Adapter Assembly_x000D_ Material: Plastic_x000D_ Thread: External thread Approx. 16mm / 0.6in_x000D_ Fitment: Fit for HAYWARD CL200 and CL220 series_x000D_ Scene: Swimming pool_x000D_ Application: Swimming pool cleaning accessories_x000D_ Weight: Approx. 30g / 1.1oz 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.4 x Adapter 4 x Accessories