PRODUCT INFORMATION 9mm septa vial lab Consumables chromatography S911 Pre-slit colourful Silicone septa Features 1)9mm screw vials can be used on all common autosampler 2)Short screw, long neck" to make the autosampler easier to capture 3)9mm wider opening for easy puncture 4)Clear, type 1 class A borosilicate glass 5)9mm PTFE/silicone septa