... salable 4kg suspended/ceiling/mobile dry powder fire extinguisher! our main business scopes are as follows: ... .Portable extinguisher: 1kg,2kg,3kg,4kg,5kg,8kg2.Transportable extinguisher: 35kg,50kg3.Hanging extinguisher: 4kg,6kg,8kg4.CO2 extinguisher: 2kg ... ,3kg,5kg,7kg5.Water extinguisher: 3kg,4kg ...