The C352TS, our most popular Halon 1211 fire extinguisher, can be found on a wide variety of commercial and general aviation aircraft, from Boeings to Cessnas. Halon is a "Clean Agent" – a gaseous fire extinguishant that does not leave a residue. Halon is extraordinarily effective in putting out flammable liquid and electrical fires. As a liquefied gas, Halon is able to effectively fight hard-to-reach fires by chemically disrupting combustion. Please note: H3R Aviation markets the 2.5 lb. Halon 1211 fire extinguisher model C352 as the "C352TS." The "TS" denotes the fact that the unit is supplied with a two-strap bracket.