Reduces tar & nicotine found in all cigarette smoke. How it Works: Cigarette smoke containing tar, nicotine plus other substances enter the Aquafilter. Aquafilter's exclusive wet filtration system removes a significant portion of these substances (scientific research confirms that wet filtration is the most effective method to remove the tar and nicotine from cigarette smoke). You inhale cleaner, cooler smoke. Made in U.S.A.