CTV052 : Septa,Red PTFE/White Silicone,12mm for 13-425 Caps ,0.060″ thick. V0512100 ; 13-425 Screw Cap Vials, Solid White Cap, PP Septa. VOA Vials. also available deactivated. Certified Clean VOA Vials for Headspace GC. • Container, liner, and closure cleaned and assembled. • Clear or amber. • Open top