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FORT COLLINS — A team of Colorado State University researchers will use a $917,000 Homeland Security grant to improve a breathing apparatus that cools firefighters in the line of duty.

The U.S. Department of Homeland Security awarded the grant to professors Thomas Bradley, Wade Troxell and John Williams, who are are working with Niwot Technologies to bolster the apparatus.

Boulder County-based Niwot Technologies developed a prototype of the SuperCritical Air Mobility Pack for NASA. The device uses cryogenic, or extremely cold, air to provide oxygen to firefighters in a thin, compact case. The CSU team will improve the pack’s endurance and cooling function and allow its commercial use by hazardous-materials handlers.

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