Class "D" unit for use on metal fires. Include low velocity applicator and lance to inhibit splash back of molton metal. Protective plastic base. Manifactured in accordance with EN3. These extinguishers are manufactured to European standard BS EN 3 under a strictly controlled quality system to ISO9001:2008 and are CE Certified and BSI Kitemarked. The extinguisher cylinders undergo comprehensive pre-treatment and paint processes to ensure exceptional protection from corrosion. The discharge valve is chromed brass. Other components are manufactured from PVC, steel, ABS and nylon. 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 a level that is deemed excessive. Whether this is the result of external exposure to high temperature or accidental over-pressurising, all users.