Health and safety sign with instructions on how to use a AFFF based fire extinguisher written in white on a red background to convey information regarding fire equipment. · · · Self adhesive sign · · White font on a red background · · Provides clear instructions on how to use a foam extinguisher. · · Helps to keep people safe when using a foam extinguisher. · · The sign can help to raise awareness of the importance of fire safety. · · The sign can help to deter people from using a foam extinguisher incorrectly.