This activated carbon filter, tailored for Panasonic air purifiers F – PXJ30C, F – PDJ30C, and F – 30C3PD, is a game – changer. It features a honeycomb columnar structure, maximizing air contact area to efficiently absorb odors, harmful gases, and VOCs. Paired with a high – grade HEPA filter (not included but compatible), it can trap 99.97% of particles as small as 0.3 microns, like dust, pollen, and pet dander. For optimal performance, replace it every 3 – 6 months. Installation is hassle – free, ensuring fresher air in your space.