HODSEUKIN Air Filter Replacement Compatible with oneisall Pet Air Purifier Model PP01, 3-in-1 High-Efficiency Air Filter,Filtration Activated carbon, 1-Pack

["Compatible for oneisall PP01 Our Happi Air Purifier Filter Replacement, including Pre-Filter","Dual filtration design with activated coconut carbon layer.High-Efficiency filter Smoke, multiple Air particles filters","High-Efficiency Activated Carbon, filter All sorts of smells and smoke","Please replace regularly to keep your machine fresh， Recommended to change filter once every 6 months, Also the filter's usage time will depend on the environment air quality around you.","Energy saving air filters save energy due to a low-density design and requiring less pressure to push air through the filters"]