Types of carbon filters Granular activated carbon filters GAC filters contain loose granules of activated carbon that allow water to flow through easily. Water flows in one direction through the cartridge and contacts carbon in the process. Advantage: Not

Activated charcoal differs in its use from that used to cook food in a barbecue pit. The porous nature of activated charcoal enables it to absorb odors from the air. You can recycle your used activated charcoal, also called activated carbon, by baking out

Depends on what you are using it for. Activated charcoal adsorbs many hydrocarbons and odor causing substances. You can reactivate the charcoal by heating it in an oven at 200°C (400°F).