ECO FREEZE PROTECTED FOAM.  Environmentally safe Class A/B Foam.  Working temperatures -40 degrees.  ECO Freeze Foam is to be used straight and not diluted. Our Eco-friendly, environmentally safe firefighting foam concentrates do not contain any ingredients reportable under the Superfund amendments and Reauthorization Act (SARA Title III, Section 313 of 40 CFR-372 or Comprehensive Environmental Response Compensation, and Liability Act (CERCLA).