Only compatible with XL-618A, X8, M8Pro Cordless Vacuum Cleaner. Please confirm the model of your vacuum cleaner before ordering. The HEPA filter is washable and reusable. Regular cleaning and replacement of the filter are necessary to prevent weak suction and blockage, Just rinse it and make sure to let it dry thoroughly before reusing. Easy to replace.Just take apart the dust cup, rotate, and take out the HEPA. 4 Pack HEPA filters Included. Recommend replacing your filter every 3-6 months, in order to keep your Vacuum at performance. Colour:As shown Material:plastic Package Contents: 4 x filter 1 x cleaning brush 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.