FIREBOY-XINTEX CG2 Automatic Discharge Fire Extinguishers protect engine rooms and machinery spaces up to 1000 cubic feet. UsesHFC-227ea - effective halon replacement clean agent that produces no water or powdery residue. Pre-engineered, total flooding system The safest way to combat an engine room fire Automatic discharge at 175 Deg F (79 Deg C) Includes powder coated mounting bracket and 2' LED panel USCG, Factory Mutual, ISO RINA and Bureau Veritas Approved3 years limited warranty