Feature metal valves and aluminum or steel cylinders, and are designed to meet most commercial and industrial applications. The seamless aluminum and steel cylinders feature chip-resistant paint, while the handle and lever are made of pressed, heavy-gauge metal for added strength. Plus, checking the pressure is fast and easy with a reliable pressure gauge. ABC type dry chemical extinguishers use a non-toxic monoammonium phosphate agent that effectively fights A, B and C class fires. Easy-to-pull safety pin. Operating Pressure: 195 PSI (except 2.5lb.). USCG Approval: Yes (when fitted wit mounting bracket). Bracket Provided: Wall Hook (UL Approved). 6 year limited warranty.