... ,3L,4L,6L,9L 7> Extinguisher accessory Extinguisher cylinder,Co2 fire extinguisher cylinder, Powder, Fire escape mask, Fire blanket, Fire suit,DCP extinguisher valve,Sucker,Spray tube,Pressure ... . CE &BS EN3 3. Working pressure: 18Bar; 4. Test Pressure: 27Bar;Portable Dry Powder fire extinguisher1kg, 2kg, 3kg, 4kg,5, 6kg, 8kg ...