It can catch fine dust with a diameter of 0.3 microns or more, effectively filter animal hair, dust, dandruff and other pollutants, fresh exhaust gases, no secondary pollution Prevents dust and reduces dust damage to parts of the machine As part of normal maintenance, it can be easily removed and replaced Easy to install. We recommend replacing your filter set for 2-3 months, which can make your vacuum cleaner more efficient and improve the life of your vacuum cleaner. Replace # 9178008590 Suitable for: Grundig VCH9629, VCH9630, VCH9631, VCH9632 Material:plastic colour:White+black Package Contents: 2 x Filter Only the above package content, other products are not included. Note: Light shooting 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.