Replacement Tools: you get 2 saddle sets for chlorine feeder, including 2 nuts, 2 washers, 2 saddle clamps and 2 tubes in 4 feet, at the same time, 2 check valve and inlet coupling assembly sets also come to you in the package, you can apply them for chlorine feeder and Lasts Longer: the CL200 chlorinator parts are made of quality material, which is reliable and can last longer for using, they 't produce harmful substances during the using process, serving you for a long time and keeping your pool safe Use Cooperatively: you need to cooperatively use the check valve and inlet connector adapter assembly with CL220 series chlorine gas feeders, which can prevent backflow of pool water, saving you much trouble Good Compatibility: the chlorine feeder parts and the check valve and inlet coupling assembly are suitable for CL200 and CL220 series, just take them home with confidence if you have the need; Please make sure that the model of this product is compatible with your chlorine feeder before purchase Create a Surroundings: the chlorinator parts have a good pool purification function, which means they can clean the swimming pool to some extent and make the water clear, providing your pool with good maintenance and creating a better enjoy surroundings, Weight: 0.42328754304 pounds, Manufacturer: Uikdjgu