Ideal for demonstrating Boyle's Law in the classroom, this horizontal mount apparatus allows students to easily observe the relationship between gas pressure and volume. Designed for secondary schools and colleges, it provides a clear, hands-on experience without the need for oil or external pumps.

• Horizontally mounted acrylic tube with a graduated scale (0–270cm³).
• Includes a standard gas tap and pressure gauge for accurate readings.
• Volume adjusted by a screw-threaded rubber stopper for precise control.
• Acrylic construction ensures safe failure if punctured.
• No oil required for operation, making it cleaner and easier to use.