Features x brand new and high quality x Made of high quality materials for durability x Filter dust to reduce dust, pollen and other allergens from slipping into breathing air x As part of normal maintenance, it can be easily removed and replaced. x Filters Are essential for the vacuum cleaner to work properly. They trap fine dust particles and allergens, preventing them from recirculating Into your home"'"s air. xIt is important to clean and replace them regularly for them to work x It is best to replace spare parts every 2-3 months to keep the machine running at peak performance xPlease measure the size of your old filter before purchase. A little error is normal. Thanks Package Contentsoptional: 2 or 3 or 5x 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.