[High quality materials] - The shut-off valve is made of chemically resistant plastic, which is frost resistant, unbreakable and does not age easily, allowing for long term use in harsh environments. [Unique design] - Both ends of the control valve can be connected to the corresponding PE pipe, fresh water pipe or drip irrigation pipe, splitting the water leaving the garden into two separate pipes. [Adjustable version] - By turning the valve, the water flow can be adjusted to the amount of water required by different plants, reducing the amount of water used, water and getting even watering. [Easy to install] - Simple, easy and quick to install, no installation tools required. 16 PE connections are suitable for most water pipes, especially for micro-drip systems. [Wide range of applications] - The kit contains 5 control valves that can be connected to a drip irrigation system for public grassland, horticulture, crop production, gardening and landscape irrigation.