Get clean and fresh air in your home with the Genuine PuroAir 400 Replacement Filters. These filters are compatible with PuroAir 240 and 400 air purifiers, and made of high-quality HEPA material to capture small particles and pollutants. The filters come in a pack of 1.0 Count, with a size of 16.9" x 2.5" x 12.5", and a weight of 0.78 kilograms. To replace your old and expired filters, simply insert the Genuine PuroAir 400 Replacement Filters into your air purifier. These filters are designed to fit perfectly and provide efficient performance, so you can breathe easy and enjoy clean air in your home. Don't miss out on this essential item for your air purifier.