CO2 or dry chemical fire extinguishers are imperative for fire prevention in your home, automobile, boat, office, or server room. Amerex Fire Extinguisher include characteristics like: Capacity: 5 lb., Class: ABC, Diameter: 4-1/4" MODEL # B402T BOX HAS BEEN OPENED BUT FIRE EXTINGUISHER IS BRAND NEW AND HAS NEVER BEEN USED RETAILS FOR $77 + TAX= $81.81