... restrained oxygen 2.ISO/TS16949,ISO9001:2000,ROHS 3.MOQ;3000PCS 4.OEM 5.Used in filter,engine ect Product InfoProductExhaust gas ... engine, spot counter, wiring harness, etc, PerfermanceInsulative, sealed, waterproof, restrained oxygen,aging and eroderestrained high and low temperature .CertificateISO/TS16949,ISO9001 ... experienced engineers5. Prompt delivery and excellent after serve Exhaust gas cap