Thermo Scientific™ National™ 10mm Wide Opening Screw Caps and Septa feature a 10-425 thread finish and are compatible with a variety of autosamplers. They are available in an assortment of styles to match your HPLC, GC or IC application needs. 10mm Silicone with PTFE Septa--Aijiren Vials for HPLC/GC