Specification Brand : Alpha Nanotech Inc. Color : 1 Non-Injectable Cap, 1 Injectable Cap with Septum, and 2 spare Septa Included Label : Alpha Nanotech Inc. Manufacturer : Alpha Nanotech Inc. MaterialType : Quartz NumberOfItems : 2 PartNumber : C80XIYS12U9 ProductGroup : BISS Basic ProductTypeName : LAB_SUPPLY Publisher : Alpha Nanotech Inc. Size : 10 mm Light Path; Four Polished Sides SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41BR6g-f9VL._SL75_.jpg SmallImage_Width : 75 Studio : Alpha Nanotech Inc. Title : Alpha Nanotech UV Quartz Cuvettes with Screw Cap and Septum (10 mm Light Path; Four Polished Sides, Qty: 2)