Details: refilling of fire extinguisher cylinders - carbon dioxide fire extinguisher; 2 kg; 3 years to 4 years , refilling of fire extinguisher cylinders - abc type fire extinguisher; 6 kg; 3 years to 4 years , refilling of fire extinguisher cylinders - abc type fire extinguisher; 4 kg; 3 years to 4 years , refilling of fire extinguisher cylinders - d type fire extinguisher; 6 kg; 3 years to 4 years , refilling of fire item category/ extinguisher cylinders - dcp type fire extinguisher; 2 kg; 3 years to 4 years , refilling of fire extinguisher cylinders - k type fire extinguisher; 4 kg; 3 years to 4 years , refilling of fire extinguisher cylinders - clean agent type fire extinguisher; 2 kg; 3 years to 4 years , refilling of fire extinguisher cylinders - mechanical foam type fire extinguisher; 9 kg; 3 years to 4 years