100 Pieces Chromatography 9mm 1.5/1.8/2ml Glass Amber Autosampler Vial With Screw cap. Cap:White PTFE / Red Silicone Septa Blue Short Screw-thread PP Cap 6mm Centre Hole Vial:2ml Hplc Glass Vial The vials can be used on all common autosamplers due to their technical geometry, preferentially they are found on Aijiren, HTA, Shimadzu, Thermo Scientific, Varian, Waters®,etc or General Storage.