The 2-way Y hose splitter can convert 1 mouthpiece into 2 water sources.There are also two hose diverter valves that allow you to easily control your water flow.It is a great solution for indoor devices and outdoor gardens. Connect your mouthpiece to the hose connector, let the water run out of 1 mouthpiece (don't forget to put a washer on the mouthpiece to prevent leakage) Connect your mouthpiece to the hose connector, let the water run out of 1 mouthpiece (don't forget to put a washer on the mouthpiece to prevent leakage) Connect two hoses to the distributor, whether indoors or outdoors.Open your faucet and stop one or two water valves to control the water flow. Please control the water pressure within 0.8MPa and remember to close the faucet after use to avoid breakage and extend the life of the connector.