Marketlab Solid Color 13mm Tube Caps are designed to provide a secure, leak-resistant seal for 13mm tubes used in laboratories, hospitals, and research facilities. Their durable polyethylene construction ensures reliable performance during centrifugation, storage, and transport.
Available in a variety of bright solid colors, these caps help users easily organize specimens, reduce identification errors, and improve workflow efficiency. They fit standard 13mm test tubes commonly used for blood, urine, and general laboratory applications.
These caps are an essential accessory for any lab seeking dependable sample containment and quick visual identification.