Consists of a glass jar with an open top fitted with two balloons attached to a Y-tube to represent the lungs, and a stout rubber sheet acting as the diaphragm. It explains how the lungs are filled with and emptied of air by the relaxation and contraction of the diaphragm muscle.

We are manufacturers and suppliers of the Lung Demonstration Apparatus, serving Algeria, Argentina, Australia, Bahrain, Bangladesh, Belgium, Bhutan, Brazil, Cambodia, Cuba, Cyprus, Denmark, Ecuador, Egypt, Ethiopia, Finland, France, Georgia, Germany, Ghana, Hungary, Iceland, Italy, Japan, Jordan, Kenya, Kuwait, Malaysia, the Philippines, Tanzania and Uganda.