Designed for reliable use in science lessons, this set of 1000ml Philip Harris narrow mouth conical flasks is ideal for a wide range of experiments in primary, secondary and college laboratories. The flasks are made from durable, chemical-resistant borosilicate glass, making them suitable for regular heating and mixing tasks.

• Made from 3.3 borosilicate glass for strength and chemical resistance

• Capacity: 1000ml per flask

• Graduated with easy-to-read white markings

• Uniform wall thickness for safe heating

• Neck diameter: 35mm; base diameter: 127mm; height: 216mm

• Supplied as a pack of 6

• Bung Size: 31 - PP00054779