Black Open-Top Cap, 13-425mm, 100-pk

These black open-top caps are designed for use with 13-425mm threaded vials, providing reliable sealing while allowing access for septa insertion in chromatography and sample storage applications. The open-top design accommodates various septa materials, enabling researchers to customize their vial closures based on specific analytical requirements in HPLC, GC, and autosampler workflows.

• Thread Size: 13-425mm standard threading for universal vial compatibility
• Color: Black finish for light-sensitive sample protection and easy identification
• Design: Open-top configuration accepts standard 12mm septa
• Quantity: 100 caps per package for laboratory convenience
• Material: Durable polypropylene construction for chemical resistance
• SKU: C4015-1A