Advanced Functionality: The air jet valve allows air to flow into the adapter and apply pressure to the water so that it can be ejected. When the air jet valve cap is used alone with the inlet nozzle, it can block water flow and avoid water leakage in the pool, and when the cap is used with the air jet valve, it can avoid air entry. Fitment: Replacement for 26165EH, 26167EH, 26175EH, 26183MW, 26191CA, 26191EH, 26193EH, 26301T, 26303EH, 26309EH, 26321EH, 26323CA, 26331CA, 26331EH, 26335EH, 26337EH, 26341W, 26343EH, 26345W, 26351EH, 26361W, 26361EH, 26371w, 26365EH, 26371w, 26371EH, 26371w, 26371EH, 26719MW, 26719W, 26733EH, 26733EH, 26735EH. Replace OEM Number: This air jet valve and air jet valve cap kit corresponds to part numbers 12363 and 12373. This handy reference ensures you get the right part for your pool without any complications. Sturdy Material: The air jet valve is mainly made of plastic material, sturdy, not easy to be damaged, air jet valve cap is made of black rubber, which is soft, rustproof and sealable. Complete Set: This kit provides you with both an air jet valve and an air jet valve cap. With this kit, you can effortlessly substitute old parts, prolonging your pool equipment's life and maintain long term effective operating., Manufacturer: Zerodis