Area to be protected (square footage)

Hazard Class

Extinguisher Rating

Additional extinguishers to meet special requirements

Suggested minimum number of portable fire extinguishers in this occupancy

Each extinguisher protects (square feet)

Customer's extinguisher cost (each)

Customer's annual external maintenance cost

Customer's six-year maintenance or recharge cost

Customer's hydrotest cost (includes six-year maintenance)

Average annual cost per square foot
(to purchase and maintain portable extinguishers)