precleaned VOA vials price Perkin Elmer Precleaned Clear VOA Vial w/PTFE Closed Top Cap | Glass Vials Clear EPA/VOA Vials – Sci-Spec PTFE Lined Closed Top Caps – PreCleaned 2000 Class Solid PTFE Available in assorted capacities, these vials are made of laboratory quality borosilicate glass as recommended by the EPA.