Organize your laboratory with the CB Plastic lab test tube rack, designed to securely hold up to 50 tubes with a diameter of 13 mm (1/2 inch). This teal-colored rack is a practical addition to any scientific workspace, providing a clear view of your samples and easy access for testing and analysis. 

 Constructed for durability and efficiency, the rack's compact design ensures that your tubes are evenly spaced and well-ventilated, preventing clutter and enhancing workflow. It's an essential tool for professionals and students alike, streamlining your experimental process with a touch of color and organization.