A very flexible hose, the structure and materials of which guarantee a smooth, odor-proof whole. The inner part with a slippery surface effectively prevents the adhesion of waste and bacteria, and ensures that the pipeline is emptied. The hose is suitable for all toilet waste applications. The hose meets the European food standards and it is suitable for all applications where pipe material suitable for transporting food (FDA standards) is needed. Complies with ISO 8099:2000 par. 5, 6.1.10 and 6.4. requirements, good mechanical wear resistance.