| Top tube: 2 tokes of combusted smoking material drawn through it.
Middle tube: 4 tokes of combusted smoking material drawn through it.
Bottom tube: 8 tokes of combusted material drawn through it.
Right tube: Over 40 tokes of VaporTeched material drawn through it!! |
The difference in the amount of tars and carcinogens that are
created through the combustion process can easily be seen through the
black buildup in the glass tubes. |