Made of high-quality materials, more durable.Filters can maintain the cleaning performance of the sweeper while reducing the penetration of dust, pollen and other allergens into the air you breathe.The filter will capture dust and allergic particles during the cleaning process, very suitable for asthma patients, allergic patients or pet families.As part of normal maintenance, it can be easily removed and replaced.It is recommended that you replace it every 2-3 months or according to your usage to keep the machine running at its best performance.colour: as shownMaterial: plasticSize: 6.8cmPackage Contents:1 x filterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.