Ideal for science lessons and experiments, this set of Philip Harris 250ml narrow mouth conical flasks is designed for reliable use in primary, secondary and college laboratories. Teachers and students benefit from durable glassware that supports accurate measuring and mixing of liquids. Each flask is made from high quality, chemical-resistant 3.3 borosilicate glass and features clear, easy-to-read graduations for precise work.

• Pack of 12 flasks, each with 250ml capacity

• Made from strong, chemical-resistant 3.3 borosilicate glass

• Uniform wall thickness for safe heating

• Graduated with white markings for easy measurement

• Narrow mouth design helps minimise spills

• Height: 147mm; Neck diameter: 28.5mm; Base diameter: 83mm

• Bung Size: 27 - PP00058030