Improve your RVs sewer and drainage setup with the Valterra EZ Coupler RV 90-Degree Bayonet Sewer Fitting. This sewer adapter features a transparent 90-degree elbow that easily presses into multiple sizes of sewer outlets and includes 3", 3-1/2", and 4" threads for easy draining and a gas-tight fit. This adapter works with your existing bayonet-style drain hose fittings with no extra tools or hose clamps for easy installation. Constructed with durable materials, this adapter is built to provide dependable and long-lasting use. The Valterra EZ Coupler RV 90-Degree Bayonet Sewer Fitting also features a compact size for convenient installation and easy storage when not in use.