Camco Rhino Sewer Hose Seal Flexible 3 In 1 w/Rhino Extreme Handle [39319]Rhino Sewer Hose Seal Flexible 3 In 1 with Rhino Extreme & Handle The Rhino Sewer Hose Adapter Flexible Drain is designed to connect your RV sewer hose to the sewer drains with hard to reach angles. The attached 3 in 1 flexible seal is easy to push in and can fit in 3, 3 1 2, or 4 inch inlets. It even works with damaged threads for an odor tight connection. The attached pull handle and wings help with easy removal. The Rhino Sewer Hose Adapter