Construction: Suggested fitting is an elbow type consisting of the following parts: black PPB body, blue PPB nut, NBR rubber O-ring, black PPB locking sleeve and white acetal resin spacer ( Pom). For Cold Water Installations: This connector is designed for indoor and water supply installations using polyethylene tubing. It allows you to quickly connect pipes, and this product also allows you to easily connect PP water pipes to pipes and fittings of other materials, such as steel pipes, other galvanized fittings. Used in Irrigation Systems: In addition to domestic applications, elbow fittings are also used in industrial irrigation systems. With the practical irrigation system, you can easily maintain your garden or hobby area. The elbow material is UV resistant. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main image)