General description Made of high-quality material, the Activated Carbon Dust Bag for X40 Ultra/L10s Pro Ultra Heat is practical to use. It is recommended to replace spare parts every two to three months to maintain the sweeping robot's optimal performance. The product may vary in color depending on the production batch, but this does not affect its functionality. Technical specifications Material: Cloth Package Contents: 10 x dust bags, 10 x rags Measurement allowed error: +/- 1-3 cm Installation As part of normal maintenance, the dust bag can be easily disassembled and replaced.