These filters consist of the best filterpaper, ceramiccapes on both sides and filled with activated carbon / charcoal. The filter absorbes effectively most tar and nicotine and gives you cool and dry smoking enjoyment. Reduces tar and other harmful carcinogens. 6 x 40 mm. Visit our shop for additional equipment. The item “White Elephant Smoking Tobacco Pipe Filter Active Charcoal Carbon Filters 6mm” is in sale since Thursday, July 21, 2016. This item is in the category “Collectibles\Tobacciana\Pipes\Other Collectible Pipes”. The seller is “csv-dorsheim” and is located in Dorsheim. This item can be shipped worldwide.