The package includes 1 set of chlorinator saddle, including 1 nut, 1 washer, 1 saddle clamp and 1 4ft tube, and 1 set of check valve and inlet connection unit, please see pictures. Warm tipsManual measurement, please allow a slight error in size. Colors may vary slightly due to different screen displays. The main color is black and white. FeaturesGood quality No leakage problems Prevent backflow of pool water Chlorinator parts and check valve and inlet connection units are suitable for CL200 and CL220 series, please confirm that your machine is available before purchasing. DescribeCreate a better pool environment: Chlorinator parts have good pool water purification, which means they can clean the pool to some extent, make the water clear, provide good maintenance for your pool, create a better pool summer enjoyment. After-sales servicePlease check whether the model is suitable for you before placing an order. The product is made of high-quality materials. Some patience is required to install this product, if you have any questions, please contact us and we will do our best to make you satisfied.