Gas Delivery Tubes - Assorted Pack of 4

This assorted pack of gas delivery tubes is ideal for demonstrating gas collection and transfer in science lessons. Designed for classroom use, these tubes support practical experiments in primary, secondary, and college settings.

• Made from durable soda glass
• Includes 4 tubes: 1 short straight (70mm), 1 long straight (170mm), 1 90° bend (arms: 60mm & 160mm), 1 90° bend (arms: 60mm)
• Outer diameter: 6mm; internal diameter: 4mm
• Not suitable for use above 60°C
• Supports gas collection activities in chemistry