The ROOR Carbon Filter Adapter allows for the addition of active carbon granules to your pre-existing ROOR bong setup (or any brand glass bong setup for that matter). Available in both 14.5mm and 18.8mm joint sizes.
This useful little item is for use with our bong and pipe bowls with an 8mm thread. It will make lighting your pipe/bong a breeze in windy situations. It also helps prevent accidental spillage of your herbs.