... a circle 3 temperature-20--80 degree PVC Spiral Water Suction Pump Hose ◊ Application· Application for ... mining, marine, and irrigation purposes.· Conveyance of air,chemicals,fertilizer and punematic lines etc· Also suitable ... for dust collection,vacuum cleaner,air condition ◊ Appearance · corrugated hose with smooth cover ... PVC hose pvc suction hose pvc air duct hose pvc spray hose