Prior to late '80's Halon was considered the best extinguishing agent for total gaseous flooding systems. However serious concerns on the effects on the depletion of the ozone layer led to it's total ban from use in new systems and in many countries decommissions was mandatory. This led to a search for new effective means of alternative extinguishing agents. Understanding that no "one solution" fits all we at Fire and Security Techniques, together with our partners are able to offer the best fit solution at the most effective price.