Set of 6 Carbon Filters for MARK-15
The activated carbon filter oin your MARK-15 should be changed every two months. It removes odors and VOC's by adsorbing the odor molecules into the filter. Since the activated carbon can only adsorb a certain amount of molecules, it will begin releasing the trapped molecules once it's full, back into the air if not properly maintained.
Includes 6 carbon filters. Carbon filter should be changed every 2 months.