- A corrugated, flexible and low resistance tubing
- An expiratory valve is located near the reservoir bag and is opened fully or partially depending on the type of ventilation that is being administered to the patient.
- Types of valves include the adjustable pressure-limiting (APL) valve and the Heidbrink valve which is a unidirectional valve.
- Reservoir Bags: The anti-static reservoir bags supplied vary in capacity depending on their use i.e. for adults or pediatrics. It can be easily removed to attach a ventilator hose allowing for mechanical ventilation.