Carbon Bulk Sales Premium Air Filtration Activated Carbon - 4x8 Mesh Size Our activated carbon is the ideal media for all of your air filtration needs. Our 4x8 coconut shell activated carbon is great for all purpose general use with VOCs and odors in air streams. From smelly odors to industrial laser exhaust filtration, this is ideal for vapor filtration. Our 4x8 coconut shell activated carbon is an activated carbon that is specifically manufactured from a sustainable raw material for the removal of gaseous pollutants. The product has a high activation level resulting in the development of excellent adsorption characteristics. 4x8 coconut shell activated carbon is ideally suited to the removal of low molecular weight compounds present in low to medium concentrations.