... o ring 1.Silicone FKM FPM VITON A VITON B GF GFLT GLT AFLAS HNBR... 2.High price performance ... Item nameFlat o ring MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT,AFLAS,HNBR... ColorRed, blue, pink,white ... quantity, deliver by sea. Delivery portShenzhenPaymentT/T, Western Union, 30% as deposit, balance before delivery or upon on receipt, ... o ring HNBR FKM FPM VITON A VITON B GF GFLT GLT AFLAS