Philip Harris Glass Test Tubes with Rim are designed for reliable use in science lessons across primary, secondary and college settings. These test tubes are ideal for a variety of experiments, offering durability and safety for both teachers and students. Made from high-quality borosilicate glass, they are suitable for repeated laboratory use.

• Manufactured from 3.3 borosilicate glass for excellent heat and chemical resistance
• Uniform wall thickness of 0.8–1.0mm for consistent performance
• Sturdy rim for easy handling and pouring
• Available in sizes: 10x75mm, 12x75mm, 16x100mm, 16x125mm, 16x150mm, 18x150mm, 24x150mm
• Supplied in packs of 50 or 100, depending on size
• Suitable for a wide range of science experiments in schools and colleges