It can be easy to remove and replace as part of routine maintenance. Often replace filter to help make indoor air more fresh ,helps reduce household odors. True HEPA Filter captures 99.97% of dust and allergens as small as .3 micrometre such as household dust, pet dander, mold spores and plant pollens. For best results, should be replaced every 2 - 3 months. For v5 v5s V3 V3s v5pro V50 V55 x5 v5s pro Robot Vacuum Cleaner Colour:As shown Material:plastic Package Contents: 10 x filters 10 x Nylon Sticker 6 x side brushes 5 x mop cloths 1 x primary filter screen 2 x cleaning brushes Only above package content, other products are not included. Note: Light and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.