An Oxygen Blender is a medical device used to mix Medical Air and hospital grade Oxygen (O2) into a gas source ranging from 21% (normal) to 100% (max) oxygen. Abbreviations: * FIO2 - Fractional Concentration of Inspired Oxygen * DISS - Diameter Indexed Safety System * NIST - Non-Interchangeable Screw Thread * lpm - Liters Per Minute * psi - Pounds Per Square Inch * kpm - Kilopond meter