The water mist type fire extinguisher is made of stainless steel 304 grade material, fitted with a squeeze lever, siphon tube, safety pin, and discharge mist nozzle. The container is filled with demineralized water & foam additives and is pressurized with Nitrogen gas to a pressure of 15 kg/cm2. In case of any fire accident, hold the discharge hose in your left hand, pull the safety pin, aim the nozzle towards the base of the fire, squeeze the squeeze lever, and direct the powder to the base of the fire and attack in a sweeping motion. (PASS: Pull the safety pin, Aim the nozzle towards the fire base, Squeeze the squeeze lever, and attack the fire in a sweeping motion.) This fire extinguisher can be used on class A, class B, class C, class F, and electrically generated fires. Class A refers to fires due to solid materials like paper, wood, cotton, textiles, etc. Class B refers to fires due to flammable liquids like petrol, diesel, kerosene, paints, etc. Class C refers to fires due to flammable gases like LPG, CNG, ethane, methane, hydrogen, etc. Class F refers to kitchen fires, and all the electrical fires refer to panel boards, switchboards, generators, motors, etc. This particular fire extinguisher is a multipurpose type, simple to use, with a pressure gauge to indicate the healthy working condition (If the needle is at zero, it means the pressure is low; if the needle is at the green mark, it indicates a healthy working condition). This Water Mist Fire extinguisher is electrically conductivity tested with 36000V.