Cutting Pre-slit on 8mm Septa–Aijiren Vials for HPLC/GC 网页Aijiren’s 8mm Septa is made of Silicone and PTFE raw materials. Aijir 2ml 9-425 with patch septa caps for HPLC Autosampler 网页Require the use of 9-425 closures and 9mm septa. Please see assembled caps and septa. Please see assembled caps and septa.