General description High quality brand new material, well made, and well matched to the old equipment. Clean accessories keep your home robot running at its best. The contents of the accessories are easily removed and replaced as part of routine maintenance. Cleaning accessories help keep your robot clean while reducing the infiltration of dust, pollen, and other allergens into the air you breathe. To achieve the best cleaning filter effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. Technical specifications Color: Photo color Material: Plastic + cloth Package Contents: 6 x Cloth, 1 x Tank, 12 x Cores Measurement allowed error: +/- 1-3 cm