It can be easily removed and replaced as part of routine maintenance. The mop cloth has powerful cleaning power and can easily deal with various stains such as footprints on the floor, juice residue, and stains. The filters maintain the vacuum cleaner's cleaning performance while reducing the infiltration of dust, pollen, and other allergens into the air you breathe. For best results, replacement parts should be replaced every 1 to 3 months. Replacement parts for B101CN robot vacuum cleaner. Color: As shown Material: Plastic Package Contents: 2 x Main Brushes 6 x Filters 6 x Side Brushes 6 x Mop Cloths 1 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 +/- 1-3 cm.