A great variety of fire extinguishers with reasonable price. Co2 Fire Extinguishers 1.Element:Carbon dioxide 2.Cylinder: ... easy to operate. 2.Element:Carbon dioxideThe Co2 fire extinguisher is beautiful,small,sealing well,open flexible, ... safty,has good effcient to fire, a range of use,don't pollute the ... equipment, gas station,libraries,some kinds of car and other public areas.