There are a great deal of tobacco pipes that take a 9 millimeter carbon style filter, but unfortunately, there are not a great deal of producers of these filters. Butz-Choquin is one of those few. These large carbon filters are excellent for absorbing unnecessary tar, gathering excess moisture, and slightly increasing the drag of the smoke.
Model: 9mm Filter
Length: 1.41 in. / 35.81 mm.
Material: Activated Carbon, Paper and Plastic