Streetwize Dry Powder ABO Fire Extinguisher with Gauge 2kg Dry Powder will be most effective on any fire where the burning produces flame fronts as in liquids and gases (Class B and C-SWFEBC) It is suggested when faced with a fire with Class C components, only extinguish if total isolation of the gas supply can take place (SWFE1-SWFE1G-SWFE2G) Dry Powders are known for their Rapid Flame Knockdown properties. Dry Powder can also be used on ELECTRICAL FIRES as Powder is not a conductor of Electricity 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 Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.