Denicotea Crystal Filter System / 10 packs of 10

Denicotea has 75 years experience in producing silica gel crystal filters to absorb and reduce the tars and nicotine in the smoke. The usage for each filter is 15 to 20 cigarettes, depending on the tar and nicotine rating of the cigarette smoked. The used filter is easy to remove. Before replacing it, it is advisable to run a thin pipe cleaner through both parts of the holder. Occasionally wash thoroughly.The used filters will change color from clear white to dark brown illustrating the effect of the tar and nicotine reduction, and also indicates that the filter has to be changed. Only the original Denicotea filter has the red cap!