Features: 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 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. Package included: 4 x Adapter&nbsp 4 x Accessories&nbsp&nbsp