... conduit with S. S. Wireoverbraided, Metal conduit, Flexible conduit, Explosionproofconduit, PVC coated conduit, Metal flexible conduit. Material of flexible metal hose: Galvanized ... makes it easy to go thread. 2. High waterproof, insulated, chemical resistance 3. PVC sheath, adding in composition of fire resistance property ... -1/4", 11/2", 2", 2-1/2",3", 4" High Quality! Low Price!! Flexible Metal Hose