The cold catalyst filter absorbs odors and harmful particles from the environment, reducing the amounts of formaldehyde and volatile organic compounds. The air that passes through this filter and is released into the space is impregnated with vitamin C components. This vitamin has strong antioxidant action, enhances the immune system by protecting it from respiratory diseases, and is beneficial for the skin and hair. The difference of this filter from a conventional air filter is its porous surface, which helps it retain a greater percentage of airborne particles. The activated carbon filter removes unpleasant odors that may be caused in the atmosphere by cigarette smoke, cooking, or pets. Additionally, it combats harmful bacteria, viruses, and generally the germs of the air. - Removes odors, smoke, and chemicals from the air entering the air conditioner and retains 99.97% of harmful micro-particles. - Essential for people suffering from allergies and asthma. - Approved air conditioner filter. - Easy installation, no specialized technician required. - Suitable for all air conditioner brands.