This is a sensationally product for extinguishing fires that starts in waste container or other containers containing combustible materials. The cassette can be used in any types and container no matter the size of the container. Petrolcompany Statoil Automat Norge AS and Metro Tidning AB have installed the cassette in their trashcans are placed on their gas and metro stations. The device, formed as a cassette, is placed in the top of the container over the recycling box. The cassette is prepared with small holes in the bottom that distribute the fireextingulshing fluid over the combustible material. The fire extinguishing fluid comes in a plastic and device that responds to heat cuts the plastic balloon with a small knife.