... .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.55560445,55560462 forSAABStandard ColorBlackPerformanceOzone Resistance, ... experience. Customer drawings and OEM orders are welcomed4, auto ventilation Hose