[Excellent Performance] Our side brush's innovative structural design effectively prevents hair and other garbage from being entangled and enhances the ability to collect garbage. It can get deep in to corners and snug against walls and baseboard to an excellent clean area. Easy Installation] The side brushes are perfectly matched and the installation method is the same as the parts, which is easy to install, easy to use. HEPA filter is made of good eco-friendly materials, delicate and delicate, and matches the equipment, to optimal performance and a healthier lifestyle. Simple to install, reliable to use, regular cleaning and replacement of the filter, can maintain the perfect performance of the vacuum cleaner and prolong its lifespan, HEPA filters help to clean the vacuum cleaner and make your lifestyle healthier. 3. Filter can be easily removed and replaced as part of routine maintenance It is recommended that you replace spare parts every 2 to 3 months depending on the frequency