... within 12 hours. 1) Product name: mi-ni dry powder fire extinguisher2) cylinder sizes: Ø55mm,H: 290mm3) Propollent: N24) Total ... 55°c7) Test pressure: 3.0MPA8). Contains ABC Dry Powder extinguishing agent 9). Effective on Class A, B, C fires 0 ... , hotels, precision instruments, Library and family gas, liquefied petroleum gas fire extinguishing.Usage: Before use, the first upside down several times, so ...