Fire Extinguisher Dry Chemical,UL rated 3-A, 40-B:C 5 lbSKU: 466112 Suitable for use on Class A (trash, wood & paper), Class B (liquids & gases) and Class C fires (energized electrical equipment). The Pro 5 MP unit is fitted with a pressure gauge that provides at a glance status, is manufactured from lightweight aluminum and a tough metal valve assembly. Also available: 46611201 with Metal Strap Bracket. At a Glance Model Pro 5 MP Multipurpose Dry Chemical UL listed UL rated 3 A, 40 B: C Supplied with wall