Big Ben 9mm pipe filters, both ends have a ceramic cap so it doesn’t matter which way you put in your pipe. These help better airflow and cool, dry and aromatic smoke.
40x Blitz System 9mm Aktivkohle Filters that come in a handy multi-pack consisting of 4 packs of 10 filters. Suitable for all 9mm filter pipes, these premium quality filters are made in Germany.