1 3 inch rubber hose 2 ISO9001:2008 3 Materail:NBR, MVQ... 4 SAE /DIN standard 3 inch rubber hose1. Application of Cord thread insert rubber hose:The hose is sutable used to delivery the soild and liquid such as the water, oil, mud, sand etc. at temperature for the farming, mining, facory, forestry and so on. It's weather resistanted and the zone resistanted, not only abrasion but also aging ...