... ring 1.Silicone FKM FPM VITON A VITON B GF GFLT GLT AFLAS HNBR... 2.High price performance ratio 3 ... nameFlat o ring MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT,AFLAS,HNBR... ColorRed, blue, pink,white, black, ... manager ID: cn1001751078Skype: tec-yuki.chiaT: 86 755 28393919 | F: 86 755 28393919 About US Shenzhen TEC Rubber Co.Ltd ... o ring HNBR FKM FPM VITON A VITON B GF GFLT GLT AFLAS