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 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 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 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 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 Colour:As Shown Material:plastic Some accessories are in random colors, don't accept the specified color Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 2 sets x saddle clamps 2 sets x check valves 1 x raw material belt Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.