The FY2428 Filter Replacement—integrated with high-performance activated carbon—is a dedicated accessory meticulously designed for Philips air purifier models AC3822, AC3824, AC2880, AC2878, and AC2891. As a core filtration component that matches the performance standards of these Philips devices, it combines efficient particle capture and powerful odour/gas removal, ensuring your air purifier maintains optimal purification efficiency. Whether used in bedrooms, living rooms, or small offices, this filter delivers clean, fresh air for you and your family.