Function: Effective dust removal, PM2.5, bacterial, effective addition of formaldehyde, suitable for new decoration of Replacing the spare parts in time will help your air purifier maintain good cleaning performance. It is recommended to use each of the spare parts for six months and then replace the new spare part. Type: Air Purifier Parts Version: Standard Edition Product Shape: 360 Degree Barrel Filter Recommended Area: Recommended area: 28m-49m Color: Blue Material: Composite material Size: 200x290mm Package Contents: 1 * Air Purifier Filter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.