Minimax 4Kg ABC Dry Powder (Stored Pressure) Type Fire Extinguisher. pressurized with dry nitrogen gas at 15 bar. Design, construction and testing as per IS 15683 with Fire rating 2A 21B, Body Hydro tested at 35 bar, Operating temperature -30°C to +55°C, external epoxy powder coating with PO Red Shade No. 538 of IS 5, Supplied with standard accessories.