1)ID:19.6mm(7/9") 2)Length:1900mm 3)Color:gray 4)Materials:Plastic(PP) 5)Used in washing machin 1)Material:hose--PP,cuff---PE2)Technology:blow molding hose+over mold cuff3) Quality:Raw material used only once.We refuse to secondary use substandard materials for products.4)Pass:ROHS5)Test: Air tightness,flexibility,resistance to pressure,temperature tolerance..(We have specialized test equipments ...