12x32mm brown glass HPLC sample vials caps and closures Chromatography Vials, Certified Amber Glass 9mm R.A.M.™ Vial Chromatography Vials, Certified Amber Glass 9mm R.A.M.™ Vial, 12x32mm, and PP Open Top Cap, Royal Blue, Bonded PTFE/Silicone, with Graduation Spot,