WHEATON® High Recovery, High Recovery Vials, 2mL or 0.07oz, Amber, 20-400, Finish, Type I Borosilicate Glass. (2.0 mL V-Vial, 20-400 Fin, Amber) 2.0mL Type I Borosilicate Glass V-Vials, 20-400, Amber. Non-graduated glass vial. Screw thread finish. Closure sold separately.