Blueline RV Sanitation offers a complete line of quality RV sewer hoses and fittings to create the most simple, secure hookup! With our popular and simple “push-on” sewer hose connections, you no longer need to trouble with clamping devices, tools, or even threading your RV sewer hose. With each Blueline RV Sanitation fitting, you get a leak-free connection every time you hookup. For the most simple, secure connection, nothing is better than Blueline