Carbon dioxide extinguishers (co2)
co2 extinguishers are ideal for places with a lot of electrical equipment such as offices or server rooms because they are safe to use on fires involving electrical apparatus. carbon dioxide extinguishers do not leave any residue, unlike a foam extinguisher. they can also be used on class b fires, those involving flammable liquids such paraffin or petrol. co2 extinguishers work by smothering the fire and cutting off the supply of air.
carbon dioxide extinguishers (co2) have a black label.