Spencer 118 NXT is a pneumatic emergency ventilator for non-invasive ventilation of adult and pediatric patients. The pneumatic mode of operation allows a significant reduction of maintenance costs associated with the requirements of electrical safety regulations. This also means total absence of risks of electric shock generated by the device. Spencer 118 NXT has got special protections against accidental activation of the AIR MIX selection lever. Color coded manometer allows an immediate visualization of the pressure in the patient circuit. The lateral positioning of the medical gas input and output, makes the connection and disconnection easier and offers greater protection for the elements connected to the device. Adjustment knobs positioned on high contrast background offer a better identification of settings. The small aluminum structure, allows to reduce weight. The positioning and the shape of the adjustment knobs facilitates the setting of the ventilation parameters in all operating conditions. The non-constant I/E ratio makes the management of the ventilation more versatile. The presence of one ventilation mode (controlled) make it simple and easy to operate. Equipped with alarms required by the EN 794-3 standard.