General description Made of sturdy and waterproof plastic, the CSPARKV 4/7 Plug is designed for long-lasting use in outdoor conditions, whether in the sun or rain. This product is ideal for connecting two sections of 4/7 pipes (inner diameter 4mm and outer diameter 7mm) to facilitate water flow or to connect 4/7 pipes to a water supply pipeline. It can also be used to plug the end of a distribution pipe in a drip irrigation system or to seal holes in the pipe. Technical specifications Material: Plastic Inner diameter: 4mm Outer diameter: 7mm Shipping Quantity: 100pcs Installation Soften the pipe before inserting the plugs for easier installation. A small plier may be helpful to assist in pushing the plugs into the holes. Usage Suitable for garden irrigation PE pipe and 4/7 pipe connections. Applicable for washing machines, garden watering, and various irrigation needs.