and high quality. Made of high quality material, and practical to use. Exquisite and delicate, highly match with the equipment. Filter can maintain the cleaning performance of the vacuum cleaner while reducing the penetration of dust, pollen and other allergens into the air you breathe. The filter capture dust and allergic particles during the cleaning process, very suitable for asthma patients, allergic patients or pet families. The filter is washable, easy to remove, and easy to replace. As part of normal maintenance, it can be easily removed and replaced.It is recommended to replace the filter system every 3 months. Fitment: For Black For 2-in-1 Cordless Lithium Stick Vacuums HSV320J, HSV420B,HSV320B,HSV420J, HSV520J, HSV320J32, HSV420J42, HSV520J01, SVA420B, SVA520B Compare to Part:# SVF11 Quantity:12PCS Colour:White Material:Plastic Package Contents: 12 * Filters Only the above package content, other products are not included. Note: Light reflection and different displays may