... , reliable, efficient. Heptafluoropropane (HFC-227ea) is a clean gas fire extinguishing agent, it is colorless, odorless non-conductive, low toxicity (with the ... atmospheric ozone layer, is an ideal substitute for Halon . Fire extinguishing system is widely used in computer rooms, power distribution room ... and B, C Class and electrical fires HFC-227ea Fire extinguishing System