Usage Tips:Item Details: * and high quality * Made of materials for durability *Filter dust to reduce dust, pollen and other allergens from seeping into your breathing air *Th e filter can intercept fine dust with a diameter of 0.3 microns or more, effectively filter pet hair, dust, dander and other pollutants, promote fresh exhaust, no secondary pollution *It is best to replace the spare parts every 2 to 3 months to keep the robot running at peak performance *Repla ce part number: ZR009009 *Fit for ROWENTA AC9736, AC9736WO / AM0 XTOUCH TX9736, TX9736WO / AM0 XTOUCH Package Contents: 2 * Filters Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.