Activated carbon has a high adsorption rate and effectively removes common harmful gases such as VOC from your home, as well as eliminating odours to keep your air fresh.The filter is highly efficient with a large surface area and high content of high-quality activated carbon. Long-lasting filter performance means less replacements, with one filter lasting 6-12 months.The filter is highly efficient with a large surface area and high content of high-quality activated carbon. Long-lasting filter performance means less replacements, with one filter lasting 6-12 months.