Buy CITR by Jun 10, 2026.

Every wildfire season the same image appears on the news: aircraft flying low over burning hillsides and releasing large clouds of bright red fire retardant. It has become one of the most recognizable symbols of wildfire response in the United States. That material is commonly known as Phos-Chek fire retardant, produced by Perimeter Solutions, and it has been used for decades as part of aerial firefighting operations. These drops can slow flames and help firefighters create containment lines once a …