When water flows over the surface of the carbon, contaminants diffuse from the water into the pores of the carbon and become attached.
The key to activated carbon's incredible ability to filter such large volumes of water per gram is due to it's network of microscopic pores creating a massive surface area for contaminants to attach too.
The activated carbon in each GAC filter has a surface area in excess of 2000 square meters. With a filtering capacity of 50L at a size no bigger than a tea bag, these little filters are standing up to some big competition!
There are many types of filtering systems on the market. Much like a filtering jug you might use at home, reusable sports bottles are now coming equipped with built in filters. Some bottles require you to pour water through the filter, while others filter the water as you drink. These filters are often noisy, uncomfortable to drink from, and in many cases leak. These built-in carbon filters come encased in plastic and need to be replaced every two months which means more plastic cartridges ending up in landfills. GAC filters are the plant based solution! Using GAC means no big, bulky plastic pieces to throw away. Just place the used filter in your green bin or trash.