Ventilator for small animals, Internal air pumpClick here to view the current Data Sheet. Features Pressure or volume cycled Pressure cycling prevents hyperinflation of tiny animal lungs External lung pressure monitoring in pressure cycling mode Wide tidal volume and rate range Internal air pump The SAR 830 AP ventilator comes with an internal air pump, but it can also connect with an external pressurized air or gas source for operation. This can be any suitable breathing gas within the required