... ACS / ROSH certification 2)soft ,flexible , no odor and smell with fittings 3) termperature -20---75 PVC Spiral Water ... Application· Application for drainage water suction and discharge ,agricultural,construction, mining, marine, and irrigation purposes.· Conveyance of air,chemicals, ... SGS (European environmental protection ) 3) ISO9001:2008 PVC suction and discharge hose pipe, manufacturer supplying