Highlights The core replaceable cigarette holder for dual filtration integrates the pneumatic jet principle & macromolecular sieve interception 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): 7.8 1 1 Shipping Weight (Kg): 0.0583 Package Contents 1 Pull Rod Type Cigarette Holder 10 Filter 1 Plastic