Sweeping robot vacuum cleaner dust removal accessories, replacement parts dust box, dust collection box can be combined with vacuum cleaner to achieve better cleaning effect. Empty the dust bin quickly and efficiently without releasing dust into the environment. Effectively capture fine dust particles and optimize machine performance. Fine preliminary Filter traps larger particles in the air like dust, hairs, pet fur, lint and more Replacement Filter: A dirty filter greatly reduce suction power. Depending on the vacuuming frequency and amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. Type:Vacuum Cleaner Accessories Colour:White Material:Plastic Package Contents: 1 * Dust Box 4 * Hepa Filters Only the above package content, other products are not included. Note: Light reflection 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.