GEAR Carbon Filter Adapter
Carbon filters help to reduce the amount of tar and carcinogens that are let through your waterpipe. Without affecting the taste or potency of your smoke, it also makes it smoother, with less coughing.
The basic filter is essentially a glass globe, filled with activated charcoal, and are used not just to filter the smoke, but also to help keep ash and unwanted particles out of your bong. The carbon filter comes prepackaged with a bag of carbon which is ready for use immediately.