The Test Tube Cleaning Brush is used for cleaning test tubes or narrow mouth laboratory glassware such as cylinders or burettes. The bristles are made from natural materials and the stem is a galvanized metal. The size is 17mm diameter by 50mm length of bristles by 150mm overall length. Sold as a pack of 12.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.