Aerotronics out of Billings, Montana is now offering the Aithre Shield EX 2.0 and 3.0 as part of their new avionics panels. Aerotronics designs and assembles fully built glass panel avionics packages for both experimental and certified aircraft. With the EX 2.0 or 3.0 option, the carbon monoxide and oxygen psi data is graphically part of the Garmin G3x output as graphical engine widgets. This option will enhance the safety of flying with your new panel.