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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.

Granular activated carbon (GAC) is used for removing specific aesthetic or non-health-related contaminants (chlorine, taste and odor, and particulates) that may be present in tap water.
To remove trace amounts of carbon dust that can be created during transportation. This dust is harmless.
Yes, it is safe. Activated carbon is commonly used in emergency rooms for treatment of accidental poisoning. Therefore, any granules that escape the filter are harmless if accidentally consumed.
Yes. Each reusable filter has the capacity to filter up to 50L of tap water. Simply continue to refill your sports bottle with tap water, leaving the filter inside.
GAC filters are 100% biodegradable. Throw them in your green bin or trash.
GAC filters are only for use in potable water.
Yes. The activated carbon used in GAC filters is NSF/ANSI 42 certified.