First Alert 3-A:40-B:C Rechargeable Heavy-Duty Commercial Fire Extinguisher Electrical Boxes\/Covers Round plastic top (felt nail)

Round plastic top (felt nail)

For maximum protection

4 Piece Jar

Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires

Mounting hardware included for easy installation

First Alert 3-A:40-B:C Rechargeable Heavy-Duty Commercial Fire Extinguisher Electrical Boxes\/Covers Round plastic top (felt nail)Rechargeable Suitable for common industrial use: office, hotels, and schools Effective against wood, paper, and cloth fires plus grease, oil, gasoline, and electrical fires Rechargeable with a large easy to read pressure gauge Includes metal wall hanger for mounting