Environmentally friendly: Activated carbon filters can absorb the smell of cigarettes, sweat smell, garbage smell, pet smell, food smell. Create a fresh environment for you. Compatibility: HEPA &amp; Carbon filter compatible with Dyson Pure Cool Link TP02 TP03 TP00 AM11 BP01 air purifier. Functionality: Filters with high sealing strips can prevent viruses, Remove bacteria, PM2.5, pollen. How to overcome the pollen season. Maintenance: It is recommended to clean the air filter to be changed every 6 to 8 months, depending on the frequency of use. In each individual packaging box there is a small brush with which the filter can be cleaned efficiently. Quality Guarantee: 100% satisfaction guaranteed. If you have any questions, whether size choices or installation problems, feel free to contact us, we will reply within 24 hours.< /p>