... color is red, blue, white ,natural . septa ptfe/silicone septum 12mm dia 1.5mm thickness for HPLC ... are the same as Agilent and shimaduBest price with comparable qualitySample is freeWe can deliver goods ... ,autosampler,chromatography,Agilent,waters machine2.glass vials with 8mm PTFE/silicone septa liner3.avaible volume:2ml,4ml, ... made upon requests glass autosampler vials with PTFE silicone washer