Provides superior foam generation at 0.1-1% use concentration. Phos-Chek has been
tested by the U.S. Forest Service and is approved for use from ground engines,
helicopter buckets, and helicopters equipped with fixed tanks. It is a U.L. listed wetting
agent at 0.25% use rate effective on both Class A & B combustibles. (Insist on outside
third party testing to validate performance, environmental, safety and health and
corrosion standards.) Meets the requirements of NFPA 1150. Contains no EPA listed
hazardous materials.