... /279 Material:37Mn/34CrMo4 Standard:ISO9001:2008Portable Dry Powder fire extinguisher1kg, 2kg, 3kg, 4kg,5, 6kg, 9kg ... distance3.Squeeze the operating lever to discharge the fire extinguisher agentStarting at the recommended diatance, Sweep the ... Fire Fighting Equipment Co.,LtdDry powder fire extinguisher , Co2 fire extinguisher , Foam fire extinguisher 1kg,2kg,3kg Fire extinguisher cylinder with bottom ...