XIANQI Clean brushes keep your home robot operating at peak performance.Side brushes are easy to remove and replace as part of routine maintenance. The HEPA-style filter uses E12 HEPA material, and captures up to 99.5% dust, allergens, and particles. Superior pick-up of pet hair, dirt, dust, and debris and works on floor types-hardwood, carpet, and tile.For best results, spare parts should be replaced every 1 - 3 months.Colour: green Material: plasticPackage Contents:2 x Main brush4 x side brush4 x Filter1 x Cleaning brush1 x screwdriverOnly 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.