<p>The Danger of Smoking: </p><br> It has various harmful chemicals in cigarettes: <br> Nicotine: <br> Carbon monoxide<br> Tar<br> other 4000 harmful and carcinogenic substances. <br> <p>Instruction of Clean-type Filtering Cigarette Holder: </p><br> The product use the jet-flow physics and avoid effect make the fumes via through the hole, change the speed and become liquid, after the circulation of the fumes, filtrate the tar effectively, minimize physical damage to the body caused by cigarettes, safe and efficient. <br> This is a clean-type cigarette holder, it can be reused. Please clean the tar after smoked 5-10 cigarettes, directly turn to the right to pull out the wall pipe in the head, clean the tar by tissues or cotton swab, and clean the filtration pore on the bottom of the wall pipe and the interior of cigarette holder regularly, please separate the core and the wall pipe in the head by rotating. You can clean the filtration pore with needle if it's blocked. Replace by the backup ring if the rubber rings is broken. If it's hard to clean the tar, it can be soaked in warm water, white wine,or alcohol, then clean up. Do not use after a long time without using, you must clean it up before a longtime without using.<br> A cigarette holder exudes sophistication and style, particularly when it's a refined, well made model like this 2" pear Wooden Cigarette Holder. Designed for an easy grip, the cigarette holder is 2 inches long. You can use the holder for any standard cigarette. Constructed out of quality pearwood, the holder will last a lifetime when properly cared for. The wood has a medium brown tone with a grain and has been polished for an eye-catching shine. No two of the holders have the same coloring due to the growth patterns of the pearwood.