It can catch fine dust 0.3 Micrometre or more in diameter, effectively filter animal hair, dust, dandruff and other pollutants, promote exhaust gases, no secondary pollution. Prevent dust and reduce dust damage to parts of the machine. It can be easily removed and replaced as part of normal maintenance. Easy to install. We recommend you replace your filter set for 2-3 months to make your vacuum cleaner more efficient and extend the life of your vacuum cleaner. Replaces number: 9178008590. Equipment: for VCH9629 VCH9630 VCH9631 VCH9632 Colour: white + black Material: plastics Package Contents: 4 * Vacuum cleaner filter 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.