Rechargeable 20 pound industrial fire extinguisher. Monoammonium phosphate extinguishing agent. Effective against firesinvolving paper, wood, textiles and plastics as well as flammable liquid fires and electrical equipment fires(Types A, B and C). Metal pull pin with safety seal. Large, corrosion resistant, easy-to-read color coded pressure gauge. Super heavy-duty mounting bracket and strap are included. Rated 20-A:120-B:C. Meets UL standards.