What is 3kg CO2 Fire Extinguisher -Ck45 Steel

Agent: CO2;
Type: Portable Fire Extinguisher;
Object: Class B, Class C;
Size: 3kg;
Portable Extinguisher: Portable CO2 Fire Extinguisher;
Effective Range: 2.5m;
Retirement Life: 10 Years;
Power Source: Gas Fire Extinguisher;
CO2 Fire Extinguisher: Ck45 Steel Cylinder;
Portable CO2 Fire Extinguisher: GB4351;
Dioxde Carbon Fire Extinguisher: ISO 7165;
Working Pressure: <150 Bar;
Test Pressure: 250bar;

Agent: Nano Particle;
Type: Portable Fire Extinguisher;
Object: Class B, C, E, F Fire;
Size: 0.028kg;
Portable Extinguisher: Nano Particle Portable Fire Extinguisher;
Effective Range: 20cm;
Retirement Life: 10 Years;
Dry Powder Type: Chemical Agent;
Power Source: Chemical Reaction Fire Extinguisher;
Net Weight: 26g &plusmn; 1.5g;
Working Temperature: -30&ordm;C-100&ordm;C;
Secondary Damage to Equipment: None;
Toxicity: None;
Discharge Time: &ge;3s;

Agent: FM200;
Type: Total Flooding Fire Extinguisher;
Object: Class a B E;
Size: Different Capacaity;
Portable Extinguisher: Total Flooding Fire Extinguisher;
Effective Range: 9m;
Retirement Life: 8 Years;
Power Source: Pressure Fire Extinguisher;
Activation: Temperature Reach to Start Degree;
Capacity: 70L, 90L, 100L, 120L, 150L, 180, Support OEM.;
Max Working Pressure: 4.2MPa;
Cylinder Material: St12;
Filled or Empty: Both Can Do.;
Brand: Pri-Safety;
Certificate: CCC;
Stored Pressure (20&ordm;C): 2.5MPa;
Operating Temperature Range: 0~50 Degree;
Activate Voltage/ Current: DC24 V/1.2A;

Agent: Water, Water;
Type: Portable Fire Extinguisher, Portable Fire Extinguisher;
Object: Class A Fires, a&B&F;
Portable Extinguisher: Portable Foam Fire Extinguisher, 1211 Portable Fire Extinguisher;
Power Source: Gas Fire Extinguisher;
Retirement Life: 2 Years;

Agent: Foam;
Type: Portable Fire Extinguisher;
Object: Class A Fires;
Size: 9L;
Portable Extinguisher: Portable Foam Fire Extinguisher;
Effective Range: 5m;
Retirement Life: 5 Years;
Dry Powder Type: Foam;
Power Source: Pressure Fire Extinguisher;