2mL Amber Sterile Open Vials, Depyrogenated, Ream of 480 pieces . 2mL Amber Sterile Open Vials, Depyrogenated, Ream of 480 pieces.Compare quality and price to PYROFREE® pyrogen free vials. Measure 15x32mm with a standard 13mm crimp finish - not sealed and are not stopperedTHESE MUST BE OPENED IN THE CLEANROOM ONLY