Item Details: 100%Brand new and high quality Made of high quality materials for durability Filter dust to reduce dust, pollen and other from seeping into your breathing air The filter can fine dust with a diameter of 0.3 Micrometres or more, effectively filter pet hair, dust, dander and other pollutants, promote exhaust, no secondary pollution It is best to replace the spare parts every 2 to 3 months to keep the robot running at performance Fit for /Deerma VC20S VC20 VC21 Quantities:2pcs color: grey Material: PC Package Contents: 1 Pack * Filters 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.