Durable metal head designed to meet demanding needs. Corrosion resistant metal gauge easy-to-read color coded gauge provides accurate measurement. Metal pull pin with safety seal to help prevent accidental discharge and discourage tampering. Secure extinguisher mount, bracket and strap are included for secure placement of extinguisher. Easy instructions with a chemical resistant & water proof label with 4-step instructions won't deteriorate. UL Rated 5-B:C (White).