Reduce human error with Thermo Scientific™ Nunc™ Storage Vial Color Coders. Color coders provide easy identification for storage vials when working on centrifugation and storage of PCR reagents, restriction enzymes and other diagnostic and biochemical reagents or samples. Nunc Labware Products are made from high purity resins, and molded using our state-of-the-art processes. Plastic labware provides a safer alternative to glass without sacrificing accuracy.