These connectors are easy to use and connect. They can be directly inserted into the pipe. Both ends can be connected to 8/11 pipe and the middle to 4/7 pipe. It is very convenient to use, making your irrigation work simple and smooth. Use this set of basic components to install a drip irrigation system to build a maintenance-free drip irrigation system. It saves time and cost, and improves irrigation efficiency. Please rest assured to use it. Safe and easy to install, no other tools or accessories are needed, just firmly push the pipe through the barb. It is very simple to use at home or in professional agricultural irrigation. Made of high-quality material, strong, durable, not easy to deform and break, and can be used for a long time. It does not need to be replaced frequently, it is very practical and is an indispensable accessory for modern irrigation technology. Very versatile, not only suitable for raised beds, farms, lawns, greenhouse gardening and agricultural irrigation