Suitable for use against A, B, and C class fires, these dry powder fire extinguishers offer a wide protection range. Thoroughly treated for longevity and rigorously tested for safety and quality, choose from a range of sizes and mounting to suit your site's needs. Features and Benefits Cylinders undergo comprehensive pre-treatment and painting processes to protect against corrosion The discharge valve is chromed brass for strength All cylinders are degreased and subjected to a phosphate pre-treatment process All valves are equipped with a safety relief device that will activate should the internal pressure in the unit reach an excessive level Standards Manufactured to European standard BS EN 3 Quality controlled system to ISO9001:2008 CE Certified BSI Kitemarked Notes Passes 35kv conductivity dielectric test 1kg and 2kg extinguishers include a robust transport bracket The 4kg, 6kg, and 9kg are supplied with a wall bracket and protective plastic base