MS analyzed vial kit. Includes 2 mL amber screw top vials with write-on spot, blue screw caps, PTFE/silicone septa. 100 of each. Vial size: 12 x 32 mm (12 mm cap) 2ml Hplc Vials, Polypropylene Vial, Polypropylene Phial, Ria 9-425 autosampler screw thread