Microporous filtration: The cigarette filter has a built-in filter layer with micropores, which does not contain any chemicals. It is detachable and can be used again after washing. smokeableHigh-efficiency filter: The physical filtration of micropores can effectively retain tar and smoke stains during the passing process, but the taste of cigarettes remains unchanged. .Premium Cigarette Filter: This filter can effectively reduce the inhalation of tar and stains, while reducing stains on teeth and fingers caused by smoking. Cigarette butts are always kept dry.Reusable: Regular cleaning can prolong the life of cigarette filters.Color: colorfulSize: 57*8mmQuantity delivered: 1 pieceWarm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.