This Brigham filter doesn't impede airflow and still allows for a great smoke. This is three inches of fresh wood to help remove acid and moisture that will help with tongue bite. These are reusable a few times. After each smoke, remove, rinse and let dry.
Model: Rock Maple Distillator
Number of Packs: 1
Filters in a Pack: 8
Available in Single, six pack and 12 pack.
Metal part goes towards the bowl.
Bought as a very little gift for Brigham Pipe smoker.