General description New, high-quality material, well made, and well matched to equipment. Clean accessories keep your home robot performing at its best while reducing the infiltration of dust, pollen, and other allergens into the air you breathe. Accessory contents are easily removed and replaced as part of routine maintenance. To achieve the best cleaning filter effect, cleaning accessories should be replaced every 2-3 months depending on the frequency of use. Technical specifications Material: Plastic Color: As shown Package Contents: 2 x Roller brush 4 x Filter 6 x Side brush 6 x Cloth Measurement allowed error: +/- 1-3cm