Using high-quality materials, durable.It can filter out all dust particles and help you and your family breathe. The air does not contain Fine particles, dust, dirt and pet dander particles.To protect the cleaning performance of the vacuum cleaner and reduce dust, pollen and other Fine particles into the air, we recommend replacing spare parts every 2-3 months.Only 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.