Mainstream EtCO2 Capnography Module Capno-M

A mainstream end-tidal carbon dioxide monitoring sensor, it has a unique sample cell protects internal NDIR components from pollution. Compatible with multiple protocols (Respironics, Phasein, CPT, KM, etc.)
https://www.ekingst.com/products/mainstream-etco2-capnography-module-capno-m/