16mm、25mm Test Tube for Water Analysis

At Aijiren, we provide a wide range of culture tubes, including three types of COD test tubes, a 16 mm test tube, and turbidity bottles. Made from high-quality borosilicate glass, these tubes are designed for water quality analysis. Each tube comes with a screw cap and PTFE septa, making them suitable for high-temperature and highly acidic environments. They are essential consumables for industrial testing, environmental monitoring, and water analysis.