This 13mm Elbow Connector is a great addition to any hydroponic system. It is made from durable plastic and is designed to fit most standard 13mm hydroponic systems. The elbow connector is easy to install and allows for a secure connection between two hoses or pipes. It is perfect for use with water pumps, nutrient tanks, and other hydroponic components. The connector has excellent flow characteristics and provides an airtight connection. It is also resistant to corrosion and has a long-lasting life. With its wide range of applications, this elbow connector is an ideal choice for any hydroponic system.