The 15′ Rhino Flex Sewer Hose Kit is the world’s toughest sewer hose. It retains it’s shape once it’s set until unhooked and stored. This tough, flexible hose stays in place when you set it up to allow for best drainage. The Rhino Flex Sewer Hose is made of heavy duty polyolefin reinforced with steel wire which minimizes pinholes and leaks from everyday use and transportation. This sewer hose fits all standard 3″ fittings.