... ,non-toxic,resist UV. PVC Suction/Spray/Irrigation Water Hose ◊ Application · Application for drainage water suction and discharge ,agricultural,construction, mining, marine, ... for dust collection,vacuum cleaner,air condition ◊ Appearance · corrugated hose with smooth cover.· distance average between each ripple.· no flaw ... do not hesitate to contact us. PVC Suction/Spray/Irrigation Water Hose