9mm HPLC vial cap and septa Thermo Fisher, Mass Spectrometry, Screw Caps, Septum. AijirenTech PTFE Silicone septa can also be supplied. 9-425 HPLC Red White 9mm PTFE Silicone Septa - aijiren. 9mm septa for 9-425 vials and cap, used for common auto samplers. Perfectly match famous brand instruments,like aijiren,Thermo Scientific, waters,Varian