FengHeng scented tea high-density cotton board (says blotting paper), double-sided printing and become, special spices ion add fragrant, can make effective component slowly release, stay sweet time of up to 90-more than 180 days. Flavor diversity (more than 100 kinds of flavor), design modelling rich and colorful and beautiful, can hang in all kinds of vehicles cab, bedroom, toilet and other places, and can effectively remove the air pollution composition.