A Clean Agent Fire Suppression System is a fire protection method that uses gaseous agents (instead of water) to extinguish fires quickly, without leaving any residue or causing damage to equipment, documents, or electronics. Here’s a detailed breakdown: 1. What Is a Clean Agent? A clean agent is a gaseous fire extinguishing medium that: Is electrically non-conductive. Leaves no residue after discharge. Is safe for occupied spaces at design concentrations. Extinguishes fire primarily by heat absorption and/or interruption of the chemical reaction in flames.