All extinguishers should have a thorough inspection by a certified technician once each year. This examination verifies that the extinguisher is in good condition, is up to date on any necessary service (internal inspections, hydrostatic tests, etc.), and is compliant with applicable codes and standards. To see if your extinguisher is in working order, check out this handy guide Telgian created on tips to read an extinguisher tag.
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