8mm chromatography vial septa with caps China-aijiren HPLC 27/5/2021 · aijiren Tech 8mm Autosampler Vial Screw Thread Caps feature an 8-425 thread finish and are available in an assortment of styles to match your HPLC, GC or IC application needs. Convenient pre-assembled caps and septa minimize contamination from handling. Get Price