... Flat 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, ... Any enquiries, please feel free to contact us.Trade manager ID: cn1001751078Skype: tec-yuki.chiaT: 86 755 28393919 | F: 86 ... flat o ring HNBR FKM FPM VITON A VITON B GF GFLT GLT AFLAS