[Compatible Models] The replacement filter is compatible with Pure Cool HP03 and DP01 DP03 Desk Air Purifier and Dyson HP02 HP01 HP00 Pure Hot + Cool Link Fan Purifier. (Please confirm the filter type before purchasing to ensure it is the correct filter for air purification) [Perfect] Whether you are looking for replacement filters for home air purifiers or office air purifiers, these filters work well. They capture odors such as cooking odors, smoke, pet odors, etc. [Silver Ion Coating] Nano silver coating is added to the outside of the high-performance material, which can slowly release silver ions for a long time without photocatalysis and resist pollution by means physical. This HEPA filter air purifier HEPA filter can remove 99.97% of particles as small as 0.3 micrometer from your home. These are true replacement HEPA air filters with dual filtration. High-quality activated carbon makes your home smell fresh and tasteless. [Nano coconut shell activated carbon] The product uses activated carbon with a pore diameter of less than 2nm. The specific area of micropores in activated carbon for more than 95% of the specific surface, which is currently the activated carbon with the greatest adsorption capacity. HEPA filters with high sealing efficiency can remove viruses, bacteria, PM2.5 and pollen. This is how you can beat the pollen season. It is recommended to replace air filters every 6 to 8 months, depending on how often they are used. Color: white Material: plastic Package contents: 2 x filter 2 x cleaning brush Only the above package content, other products are not included. Note: shooting light and different displays may cause the color of the item in the photo to be a little different from the real thing. The measurement error is +/- 1-3cm.