... good price 4.ISO9000:2000 certificate A). Performance and Use Portable dry powder extinguisher is a kind of light, efficient and movable fire ... ’s more, it is very safe and reliable. Portable dry power fire extinguisher applies to put out just burning fires of Class ... &BS EN3 3. Working pressure: 18Bar; 4. Test Pressure: 27Bar;Portable Dry Powder fire extinguisher1kg, 2kg, 3kg, 4kg,5, 6kg, 8kg, 9kg, ...