Connecting your sewage to the dump station faster, and easier. Because Camco understands this love/hate relationship, and is always finding ways to make it easier. Connects hose to dump station Elbow&';s tapered end accepts all 3" hoses and slipover fittings Adapter fits into 3" slip or 3", 3-1/2" and 4" threaded pipe Larger inside diameter allows for faster dumping Components separate for storage in bumper Patented spin-lock rings for effortless, secure and airtight hose connection