Highlights Effectively cuts down on the inhalation of tar, protecting your & your family's health. The core replaceable cigarette holder for dual filtration integrates the pneumatic jet principle & crystallized ball adsorption principle to make the holder core of pure physical dual filtration. Install the holder core into the cigarette holder to achieve the high-efficiency tar filtration effect. After smoking of 10-15 cigarettes, screw off the cigarette holder wall tube & cigarette holder counterclockwise. Make the replacement with the spare holder core. The holder core having been used shall be well disposed & kept away from children. Specification Dimension (cm): 7.5 1 1 Shipping Weight (Kg): 0.0263 Package Contents 1 Cigarette Holder 1 Spare Mouthpiece 6 Spare Filter 1 Holder