Hach Indonesia Distributor , Supplier, Importer. Hach 2415915 Cod Digestion Vials Hr Plus 200 To 15000 Mg/L Pk/150 Jan 20 , 2020 Specifications : Diameter:16 mm Digestion Required:Yes Method:8000 Method Name:Reactor . VWR, Part of Avantor - Chemicals and Laboratory Scientific