• The size is 25mm diameter by 75mm length of bristles by 200mm overall length.
• 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 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 25mm diameter by 75mm length of bristles by 200mm overall length. Sold as a pack of 12.