Kit with vial and cap + septum, consisting of 4 ml screw neck vial, 13 mm screw neck, clear 1st hydrol. Class glass, label and filling lines, flat bottom, 45 x 14.7 mm; black PP-cap, 13 mm screw thread, with 8.5 mm center hole; septum cream / red silicone / PTFE, 55° shore A, 1.5 mm thickness