Boasting an innovating, yet rugged design with no pneumatic parts, the GE-Marquette Capnostat CO2/ETCO2 Mainstream sensor 412340-002   is both flexible and comprehensive in its capabilities and is the perfect companion for your DASH monitor with its guaranteed compatibility, reliability, rapid and accurate measurement capability, durability and ease of maintenance. The GE-Marquette Capnostat CO2/ETCO2 mainstream sensor is effective at reading CO2/ETCO2 measurements directly thus minimizing room for error and as such is easy to use.