Fire Extinguisher, Charging Rechargeable, Container Type Cylinder, Cylinder Color Red, Cylinder Diameter 7 1/4 in, Cylinder Height 21 1/8 in, Cylinder Material Steel, Discharge Time 29 sec, Extinguisher Capacity 20 lb, Extinguisher Class BC, Extinguishing Agent Material Composition Sodium Bicarbonate, Extinguishing Agent Type Dry Powder, Features Two-Piece Nameplates, Large Stainless Steel Loop Pull Pin with Tether, Internal Siphon Tube, Fill Type Charged and Filled