HPLC Autosample Vials, Headspace Vials, Sample Storage Vial, EPA, TOC Vials, COD Tubes, Reagent Bottles, Syringe Filter, ETC. Min Order Quantity of Reagent Bottles: 5 Cartons Aijiren™ reagent bottles, also called media bottles, are manufactured from high quality, borosilicate 3.3 glass, round Bottle with GL45 Screw Cap.