General description New, high-quality materials that are well-made and highly compatible with the MiWhole M7 Pro. Clean accessories enable your home robot to maintain optimal performance while reducing dust, pollen, and other allergens from seeping into the air you breathe. Accessory contents are easy to remove and replace as part of routine maintenance. To achieve the best cleaning and filtration effect, cleaning accessories should be replaced every 2-3 months depending on usage frequency. Technical specifications Material: Plastic Color: As shown Package Contents: 1 x Main brush 4 x Side brushes 4 x Filters 4 x Mop cloths 4 x Dust bags Measurement allowed error: +/- 1-3 cm Usage The function of the sweeping robot filter is to filter dust, dirt, and other impurities inhaled by the sweeping robot to keep it clean and running normally. The filter also prevents dust and dirt from entering the robot's motors and other parts, extending the robot's lifespan.