5pcs Test Tube Cleaning Brushes 19mm Diameter. 187mm Length Wash Brush for Lab Set Chemistry Size S

【Package Included】- 5pcs small cleaning brushes. 【Three Different Sizes for Choose】- These cleaning brushes come in three different sizes, including Size S (19mm diameter, 86mm bristle length, and 187mm total length), Size M (34mm diameter, 113mm bristle length, and 233mm total length), and Size L (36mm diameter, 121mm bristle length, and 264mm total length). This allows for customized cleaning of different sized labware. 【Flexible and Durable】- The tube brushes can be bent to clean hard-to-reach areas without scratching or damaging the labware. They are made of durable materials that can withstand frequent use and washing. 【Convenient Storage】- Each brush features a small ring at the end of the handle for easy and convenient storage. This helps keep your lab organized and efficient. 【Versatile Cleaning Tool】- The tube brushes are perfect for cleaning a variety of labware, including tubes, bottles, cylinders, pipes, and glass barrels. They are ideal for use in chemistry, biology, laboratory, kitchen, industry, and other applications.