2kg CO2 fire extinguishers cover live electrical and B class fires. Carbon dioxide is a clean agent with a fast extinguishing action and is the most effective extinguisher media on live electrical equipment. Fitted with a frost-free horn the 2kg CO2 extinguisher safeguards the user from frost burn. These extinguishers are ideal for food preparation areas, plant rooms, offices and shops and are often found paired with either a water or foam extinguisher to cover multiple fire risks.