Camco 4-IN-1 Extension Sewer Hose Connector 39735 11-0555

By elevating the sewer elbow out of a recessed sewer inlet, the 4-in-1 sewer extension streamlines the hose, reducing unwanted kinks & bends. It fits between the 4-in-1 Adapter and the elbow. Clear makes you to see when tank is empty.