GIZEH Black Activated Charcoal Filters SlimThe GIZEH BLACKActive Filter with a diameter of 6mm are specially designed for the enjoyment of king size sport cigarettes. In particular, they filter out the unwanted substances in the tobacco. So the smoke tastes much smoother while the effect stays the same! In the spirit of sustainability GIZEH uses a renewable raw material inside the filters, the purified activated carbon is produced on the basis of coconut shells. Both ends of the filter are