Zen ® Cigarette Filters are made with the highest quality cotton, and are engineered to provide “high-performance filtration.” They pack a powerful punch. Plain and simple: Zen Cigarette Filters reduce tar and nicotine in cigarettes by 30-50%. Their unique design is engineered to give you a more satisfying cigarette while helping reduce tar and absorb harmful toxins. Zen ® filters also prevent cigarette burnouts, so no more wasted ended cigarettes. Zen ® filters are a must-have for anyone who regularly smokes.