Argonite
Argonite is a name brand and registered trademark owned by Ginge-Kerr for a mixture of 50% argon (Ar) and 50% nitrogen (N2). It is an inert gas used in gaseous fire suppression systems. Ginge-Kerr is part of United Technologies Fire & Security. Argonite is also marketed by Kidde Fire Protection, Kidde Fire Systems, Chemetron Fire Systems, and Fenwal Protection Systems.