Be prepared?choose ProLine? dry-chemical extinguishers for your commercial fire-suppression needs. Crystal-clear, step-by-step instruction label helps ensure effective use in a crisis. Easy-to-read pressure gauge enables at-a-glance status checks. Smooth-action, impact-resistant valve and lever provide hassle-free operation. Lock-safe, easy-pull release pin minimizes accidental discharges without compromising emergency-reaction times. Dry MP agent is safe for use around food and electronics. Rechargeable. Material(s): Aluminum; Carbon Dioxide; Fire Class: BC; UL Rating: 5-B:C; Charge Weight: 5 lbs.