ry Powder Fire Extinguishers With Fitting Bracket Included These Fire Extinguishers Are In Accordance To En3 & CE0062 Standards With Gauge CLASSIFICATIONS OF FIRES: Class A will extinguish fires involving combustible solid items such as wood, plastics, paper Class B will extinguish fires involving flammable fuels/liquids such as petrol, diesel, oil paraffin Class C will extinguish fires involving flammable gases such as acetylene, LPG, natural gas Dry powder will be most effective on any fire where the burning produces flame fronts as in liquids and gases