... 3kg co2 fire extinguisher agent weight:3kg portable type/hand-held factory price portable mini fire extinguisher---3kg co2 fire extinguisherTechnical ... main business scopes are as follows:A.Fire extinguisher1.Portable dry powder fire extinguisher 1kg,2kg,3kg,4kg,5kg ... powder fire extinguisher 4kg,6kg,8kg4.Portable CO2 fire extinguisher 2kg,3kg,5kg,7kg5.Portable fire extinguisher water-based type ...