Made of high-quality polyformaldehyde to adapt to different working environments and ensure the long-term stability of the valve. The valve can be rotated to adjust the water flow for uniform watering. Simple and effective structure: This pass-through valve adopts a simple structure design, and both ends of the control valve can be connected to suitable PE pipes or soft water pipes. The 16PE interface is suitable for most water pipes, especially for micro-drip systems. It can be widely used in industry, agricultural irrigation, domestic water supply and other fields.