1. Side brushes are easy to remove and replace as part of routine maintenance. It is made of high-strength and environment-friendly material, durable in use. 2. Main brush keeps your home robot operating at . 3. The Filter is washable. It maintain robot's cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you . 4. For best results, spare parts should be replaced 2 - 3 months. Compatible Models: For 1C / STYTJ01ZHM For 2C / STYTJ02ZHM For 1T / STYTJ03ZHM For F9 / SKV4093GL / SKV4073CN Incompatible Models: not for 1S/ 2S/ SDJQR01RR/ SDJQR02RR/ SDJQR03RR/ STYTJ02YM/ G1/ MJSTG1/ SKV4136GL Type: Vacuum Cleaner Parts color:Photo color Material:plastic Package Contents: 2 x Rolling brush 4 x Filter 4 x Side brush 2 x Cleaning brush Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.