Gas Cartridge : Pressure vessel that fits into, or is attached to, an extinguisher and that contains either compressed or liquefied gas that, on operation, is used to expel the extinguishing medium
Solutions Fire Safety Ltd, Fire Safety Glossary: An A - Z of definitions regarding fire safety terms and vocabulary, Solutions Fire Safety Ltd, UK 2012. http://solutionsfire.co.uk/Fire-literatures-PDF/Fi re-Safety-Glossary.pdf, (Fr Sfty - Brit) {465}