Straight hose adapters attach directly to your RV’s sewer connection, allowing you to extend your sewer hose outlet for easier, more convenient hose connection. Because they are clear, they help during tank cleaning by letting you to see when your system is fully rinsed. Attaches directly to the RV outlet connection Attaches directly to the RV outlet connection Clear adapter allows to see when tank is fully rinsed Measures 9" Easy to use and store