These graduated test tubes are fitted with interchangeable stoppers and precision-marked divisions for accurate volume calibration. Offered in a range of sizes and subdivisions, they cater to research, teaching, and analytical workflows across scientific laboratories.

• Capacities: 5 ml, 10 ml, 15 ml, 25 ml, 30 ml, 50 ml, 100 ml; each with length and outer diameter specifications for compatibility with racks and instruments.
• Subdivision markings (from 0.1 ml to 2 ml) provide flexibility for both small and large volume measurements.
• Secure, interchangeable stoppers suit a variety of closures and experimental setups, helping prevent sample loss and contamination.
• Ideal for titrations, sample storage, culturing, and educational demonstrations.

A practical and professional choice for all routine and advanced laboratory procedures.