TPU polyurethane aeration hose has acid and alkali resistance, microbial resistance, water resistance, impact resistance, compression resistance, aging resistance, high tensile strength, tear resistance, and high elongation. At present, it is widely used for the treatment of industrial wastewater such as sewage, seawater, chemical, river, petrochemical, textile, papermaking, printing and dyeing, brewing, pharmaceuticals, leather making, etc.