DESCRIPTION
Enable rapid identification by using Thermo Scientific™ Nalgene™ HDPE High Profile Closures with Color Coders for Micro Packaging Vials, offered in a variety of colors. Closures have no O-ring to fall out or contaminate contents. Color-coded inserts are free of toxic heavy metals and do not come in contact with vial contents. Vials and closures are pressure-tested together at 7.5psig.