This HYDROLICO ZPLL04-M5 is a high-quality 90-degree extended elbow fitting designed for pneumatic applications. It features a push-in connection for a 4mm pipe and an M5 thread, ensuring a secure and reliable connection. Constructed from durable brass and plastic, this fitting is built to last.The HYDROLICO ZPLL04-M5 is a 90-degree extended elbow fitting. It is designed for use with 4mm diameter pipes and has an M5 thread size. The fitting is made from a combination of brass and plastic materials.