It can be easy to remove and replace as part of routine maintenance it's easy to remove dirt, dust, and trash in corners and edges from the accessories, especially human hair and pet's hair Replacement new filter every month could keep robot at peak cleaning performanceFor best results, spare parts should be replaced every 1 - 3 months Replacement parts for Xiaomi Mijia G1 MJSTG1 SKV4136GL robotic vacuum cleaner Colour:As shown Material:plastic Package Contents:1 x roller brush2 x side brushes2 x filters2 x mop cloths1 x cleaning brush 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