new, high quality material, well made, durable and well matched to original equipment. Clean accessories keep your home robot performing at best. Accessory contents are removed and replaced as part of routine maintenance. Cleaning accessories keep your robot clean while reducing the infiltration of dust, pollen and other allergens into the air you . To achieve the best cleaning filter effect, cleaning accessories should be replaced 2-3 months depending on the frequency of use. HEPA filters can greatly improve air quality, reducing particle size by up to 99.97%. Helps remove household dust, pet dander, etc. material: plastic Color as shown Package Contents: 1 x main brush 4 x side brush 4 x filter screen 1 x cover plate Only the above package content, other products are not included. Note: Light 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.