FGP4R � 4Kg Dry Powder Fire Extinguisher Polyester external coating and oven-baked adds extra protection to withstand extreme temp. Simple seize and squeeze method of operation combine with controlled discharge for max fire fighting performance with a safety pin. 23mm Diaphragm pressure gauge provides a very accurate indication of extinguisher�s pressure status and a suction tube is PVC made. Long-drawn high grade colled rolled steel body shelf for optimum body strength with Argon welding process. Working Pressure 14 Bar for maximum fire fighting performance give the greater application.