Use this product to protect your RV water hose from stress and strain. This 90-degree hose elbow is easy to set up and is made of solid brass for durability. It fits 3/4-inch to 11.5-inch NH hose connections. Camco's 90-Degree Hose Elbow for RV Water Hose is a great way to protect your investment. This elbow is made of solid brass, so it's durable as well as beautiful. The easy-grip connector makes it a snap to set up, and it fits 3/4-inch to 11.5-inch NH hose connections.