Featuring VetSpecs® proprietary micro-flow™ side-stream capnography, the Capno-2 provides CO2 Waveforms (Capnogram) End-tidal CO2 (EtCO2) Fractional Inspired CO2 (FiCO2) Respiratory Rate (RR) Audible and Visual Apnea Alarms The Capno-2 is developed for monitoring ventilation status in intubated veterinary patients during surgery, dentistry, emergency and critical care, and a variety of other procedures. To apply, simply insert the micro-flow™ airway sensor adapter (see the picture below) between the endotracheal tube and the breathing circuit after the patient is intubated.