Replacement Vacuum Filter Compatible with for Handheld Cordless Vacuum Cleaners. The Hepa filter blocks 99.97% of pollen, dirt, dust, pet dander and other particles as small as 0.3 microns. Press the lock button of the vacuum cleaner, take out the dustbin, take out the old filter and insert the new filter into it. The vacuum filter can be washed with water, but do not immerse it in water. The filter needs to be air dried after cleaning. Extend the life of the vacuum cleaner, according to the frequency of your use, replace the consumable replacement kit every 3-6 months to keep the vacuum cleaner working efficiently. size: 8.64 x 3.81 x 8.64cm Material: plastic colour: white+black Package Contents: 4 x Vacuum cleaner filter 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.