One box of MINI Mooselabs Mouth Peace filters specifically sized for the Mouth Peace MINI. The triple layer activated carbon filters remove resin, contaminants, and tar from your smoke. Mouth piece enhances the flavor of your smoke by removing the harsh stuff making for a clean and smooth hit every time. MouthPeace Mini sold separately. *Filters and packaging are made of biodegradable and recycled materials. ** FILTERS DO NOT REDUCE AIRFLOW