Enable rapid identification by using these high-profile closures with color coders. Offered in a variety of colors, closures have no O-ring to fall out or contaminate contents.
Enable rapid identification by using Thermo Scientific™ Nalgene™ HDPE High-Profile Closures with Color Coders for Micro Packaging Vials. Closures have no O-ring to fall out or contaminate contents and are free of toxic heavy metals. Permanently attached color-coded inserts do not come in contact with vial contents. Vials (listed separately) and closures are pressure-tested together at 7.5 PSIG for air shipment.