The Camco C-Do2 Clear 45° RV Sewer Hose Adapter allows you to see when your RV sewer system is clean. It attaches directly to your RV's sewer connection and is compatible with 3" diameter sewer hoses. This adapter has a 45° angled design and features 4 bayonet prongs for easy hookup. It's made of break-resistant polycarbonate.• See-through hose adapter allows you to see when your RV sewer system is clean• Fits 3" diameter RV sewer hoses• Angled 45°• 4 bayonet prongs provide easy hookup• Made of break-resistant polycarbonate Compatible with 3"" diameter sewer hoses 45° angled design with 4 bayonet prongs for easy hookup Made of break-resistant polycarbonate | Camco C-Do2 45 Degree Sewer Hose Adapter