Suitable: Both ends of the irrigation control valves can be connected to the corresponding PE pipe, fresh water pipe or drip irrigation pipe. Best Value for Money: The package includes 40 pieces 6.35mm straight drip irrigation valves. Enough to meet your different needs. Universal: Easily connect a drip irrigation pipe 1/4" (4mm/7mm) drip irrigation valve, control water flow to plants or shrubs. Works with most new or existing drip irrigation systems. Lightweight and Durable: Irrigation shutoff valves are made of plastic material. Durable, non-corrosive, high-impact construction. No leakage. Application: Drip irrigation switch valves are suitable for drip irrigation systems, gardens, farmland, greenhouses, flower beds, lawns, aquarium pumps, etc.