Ideal for science lessons and experiments, these Philip Harris wide mouth conical flasks are designed for reliable classroom use. Suitable for primary, secondary and college settings, they help learners safely mix, heat and observe liquids. Each pack contains 12 flasks, available in 100ml or 250ml sizes, making them perfect for group work or practical demonstrations.

• Made from high quality, chemical resistant 3.3 borosilicate glass
• Uniform wall thickness for safe heating
• Wide mouth design for easy pouring and cleaning
• Clear, easy-to-read white graduations
• Pack of 12 flasks (choose 100ml or 250ml: 34mm or 50mm internal neck diameter)
• Suitable for general laboratory use