Darley is excited to announce a complete line of quickly deployable water purification systems that can be used by first responders to aid in establishing and maintaining a potable water supply in the event of an emergency situation. Specs can be downloaded here - PuriFire System Specs. A total of six PuriFire systems have been developed. Systems have been designed for both municipal and military applications. The municipal PuriFire systems are designed to work with the pump on a fire apparatus, or in conjunction with an in-place water department. The systems are available as both portable self-contained units and systems that are integrated with fire apparatus