The Laerdal 300-01550 Assy; Lung-1.2 L-Adult is a replacement adult lung assembly designed for compatible Laerdal airway management, ventilation, and patient care training manikins. With a 1.2-liter capacity, this component helps deliver realistic respiratory simulation for CPR, ventilation, and airway management training. Built to Laerdal's high standards, the lung assembly supports accurate training scenarios while maintaining the performance and functionality of healthcare simulation equipment.