... 2)Different colors and sizes 3)Certification:Rosh,CE,PAHS flat rubber gaskets 1)We have kinds of material : NBR, ... )CertificateCE, ROHS, PAHS, REACHColourRed,Yellow,Green,Blue,Purple, Black, White, Clear, etcSPECIALFeaturesOil-resistant; heat resistant; abrasion-resistant;aging resistant; ... kinds of o rings for your referenceHigh strength silicon rubber gasket Thank you for your patient reading.If you ...