1.Element:CO2 2.MOQ:300pcs 3.Cylinder's material:carbon steel 4. ... working days after paid SpecificationsThe CO2 fire extinguisher is beautiful, sealing well,open flexible,safty,has good effcient to fire, a range of use,don ... station, libraries,some kinds of car and other public areas. fire extinguisher container,portable CO2 fire extinguisher