A filtartion device used to smoke cannabis flowers, herbal extracts, or tobacco. A bong is an air-tight and water-tight smoking vessel with a bowl and stem. Bongs come in various sophistications, sizes and shapes. The air is guided downward through the bowl and up through the water or ice in the stem. The smoke will be released into the respiratory system when the bowl is pulled or the (carb)uretor is uncovered. If there is a carburator it will be located on the lower part of the bong above the water level.