The manufacturing date can be located in one of several places. Below are some common examples:
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Bottom left hand corner above ABC where it says Made in USA (I.E 2003).
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Look on the bottom of the unit and you will see two digit numbers engraved into the Cylinder (I.E. 03). (See Figure 1 below)
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Printed number below the label (I.E.1205322062)
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1205 is the time on 24-hour clock
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322 is the exact day of the year (November 18)
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06 is the year
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2 is the assembly line where it was manufactured
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If your fire extinguisher was made in Mexico, the printed number will read like this:
L2103071146
L2 = Production line
103 = Day of the year
07 = Year
1146 = Time
