The honeycomb structure of the Philips NanoProtect FY3432/10 - filter for air purifier effectively reduces the amount of volatile organic compounds and odors. The filter is suitable for the Philips AC3256/10 - Air Purifier. The expanded activated carbon adsorption surface is equivalent to approximately 43 football pitches and provides consistent protection and a long life of up to 12 months. The honeycomb carbon filter is designed to effectively remove various gases, including volatile organic compounds and odours.