... 1.Silicone FKM FPM VITON A VITON B GF GFLT GLT AFLAS HNBR... 2.High price ... ring manufacturing process MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT,AFLAS,HNBR... ColorRed, blue, ... U-type Loop, Y-type Loop, rubber strip, oil seal, rubber tubing and various rubber, appliances, hardware ... free to contact us, thanks. Details Show oil and fuel resistance superb quality o ring manufacturing process ...