3813            |    Preparations and charges for fire-extinguishers; charged fire-extinguishing grenades.
3813.00.10         --- Containing bromochlorodifluoromethane, bromotrifluoromethane
3813.00.20         --- Containing methane, ethane or propane hydrobromofluorocarbons (HBFCs)
3813.00.30         --- Containing methane, ethane or propane hydrochlorofluorocarbons
3813.00.40         --- Containing bromochloromethane
3813.00.90         --- Other