Set of 3 filaments (catalyst gauzes Auer) with special welts that allow you to match the shirt to most models of gas lamps. After setting fire sleeve emits light so bright that it makes it easier to navigate in the dark and provides optimum illumination of the area during the evening camping. Simple to use and the possibility of adjusting of the level of the lamp guarantee comfort and long service life.The principle of action : during the first use cotton threads burn, causing the decomposition salt. As a result, around the burner is formed a special mesh cocoon, which heats the gas flame, emitting intense light. After switching off the supply of filament fire goes out.