Wet Chemical Fire Extinguishers are red with an oatmeal coloured band. These fire extinguishers use an aqueous solution discharged in a fine spray to the surface of Class F fires such as oils and fats.
Water Fire Extinguishers are completely red with no coloured band. They are effective against Class A B fires involving paper, textiles, wood, plastics, rubber, petrol, oil and paints.
Foam Fire Extinguishers are red with a blue band. They are effective against Class A & B fires involving paper, textiles, wood, plastics, rubber, petrol, oil and paints.
Carbon Dioxide CO2 Fire Extinguishers are red with a black coloured band. They are recommended for use in Class (E) fires involving energised electronic equipment.