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1400 E. Clement Street
Baltimore,
Maryland,
United States
410-685-5068
IMO Fire Equipment Signs, control Symbols ISO17631 & IMO ResA.952(23) Annex A depicts each fire extinguisher with either a weight or a capacity. Manufacturers produce many different sized extinguishers therefore the symbols are shown with this information omitted. Customers can request the size to be inserted at no extra cost.