Secure Connection: This clear 90 degree rv sewer hose elbow can tightly connect pipelines in a closed manner. We have conducted thousands of tests on this product, so please feel free to use it. Clear design: A clear elbow design allows you to see when drainage has been completed and also facilitates the inspection of blockages. High strength environmentally friendly material: made of thickened high-strength PVC material, which can be used for a long time in high temperature, water immersion and other environments, and the material itself has no odor. Applicability: Suitable for camping vehicle sewage pipes or RV sewage pipes. New color design: The new blue accessory design is more environmentally friendly and clean! Clear 90 Degree RV Tote Tank Adapter-4 Bayonet Prongs On Each End Tightly Connected