Biopipe filters is a safety device for cigarette smokers and dokha / medwakh smokers. Biopipe reduces intake of tar and other harmful substances of the smoke to give you a cleaner experience. It also provides burn protection to your lips and avoids darkening of lips. The best thing for your health is to quit smoking. However, for those who are unable to quit, Biopipe filters provide an alternative to reduce intake of tar and other harmful substances into the lungs.