1.Item: Auto ventilation Hose for Crankcase 2.Material:ACM,ECO,NBR 3.Process:Extrusion 1, Auto ventilation Hose for Crankcase2,Material:ACM,ECO,NBR3, ... Process:Extrusion4,Detail:ItemAuto ventilation HoseMaterialACM,ECO,NBROEM No.55560445 ... experience. Customer drawings and OEM orders are welcomed4, auto ventilation Hose