The numbers on a ventilator machine represent the various settings that can be adjusted. For example, the display screen of a ventilator will show values for the tidal volume, respiratory rate, FiO2, flow rate, I:E ratio, sensitivity, and PEEP settings.

Spencer has dedicated a series of pulmonary ventilation products for rescuers who have to intervene in inaccessible places or far from the ambulance. The Kompak series non-invasive ventilation systems as well as being top of the range for robustness, are also equipped with a 2 L oxygen cylinder housed together with the ventilator and the.