Camco's RV Internal Sewer Hose Coupler helps repair your RV sewer hose or join two sewer hoses together. It internally connects two RV sewer hoses, adding as much length as necessary to your sewer hose assembly. The joined hoses are secured using (2) twist-it clamps. This product is compatible with all Camco brand sewer hoses and kits (including RhinoFLEX, RhinoEXTREME and Revolution). Includes (1) hose coupler and (2) twist-it clamps.