This pool valve rebuild kit has been upgraded with high toughness and plastic material to product life, just to let you have a better product experience Product Function: The pool valve conversion kit is designed to control the direction of water flow by changing the opening and closing of the inlet and outlet ports to the port you want to use Easy Installation: Simply follow the detailed video and schematic diagram of the valve rebuild kit for installation Note: This pool valve rebuild kit not compatibe with for valves 4718, 4719; space saver valves 3406, 3407, 3409; valves; pool valves. Please check if your water valve is suitable before purchasing Note:slight color difference, subject to the real thing, does not affect the use. Colour:Black Material:plastic Package Contents: 1 * Pool Valve Rebuild Kit 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.