Size: height 16.5 cm, width 21 cm, depth 8 cm. Model consists of two parts: The model alveolar expansion and the expansion of the pulmonary leaflet model. Alveolar Model is manufactured from PVC food quality and presents a réaliste.Vous form and can explain in detail the relevant knowledge to students. The model, he must understand and master quickly, is used as intuitive demonstration tool for teaching anatomy. Laboratory supplies: This is a rare tool for students to carry out appropriate practical training. The CVP equipment does not have to fear being broken by the students, it will be a great addition to your laboratory supplies. Satisfy students, teachers or anyone interested in the human structure. They can be used to teach the knowledge of visual aids to physical health in order to deepen the understanding of the human body structure.