The RhinoFLEX 45-Degree Clear Swivel RV Sewer Fitting has an angled design, allowing you to easily access and empty your RV's black and grey water tanks. The 45-degree elbow is clear so you can see when your holding tank is empty. This ready-to-use fitting simply connects your sewer hose to your RV’s waste valve fitting. It features swivel lug and bayonet fittings for a fastened, odor-tight connection. The four-prong bayonet fitting firmly attaches to any lug fitting, and the lug end is compatible with any bayonet fitting. This product is constructed of Durable resin. Made proudly in the USA. Patented.