Standard Opening hplc vial inserts for hplc vials vial sample for wholesales The vials are preferentially used on instruments of vial sample distributor,HTA,sample vials for sale,sample vials for sale,Varian,chromatography sample vials ®,etc. 32*12mm,1.5ml/1.8ml/2ml Screw Neck vials for GC and HPLC Wide opening requires Micro-Inserts with a diameter of 6mm Clear glass is