Compatibility: A10 Filters are compatible with for A10 /Master, A11 /Master, S11 Vacuum Cleaners. Please confirm your model before purchasing. High-Efficiency Filtration: Filters capture fine dust, pet hair, pollen, and other airborne particles, improving indoor air quality and maintaining strong suction performance Washable and Reusable: Each replacement filter for A10/A11 is washable and reusable. Just rinse it with water, let it dry completely, and reuse. A practical and cost-effective solution Usage Tips: To keep your vacuum running at its best and extend its lifespan, please replace your filters regularly. We recommend changing the vacuum filter every 2-4 months, depending on usage Package Includes: This filter replacement set includes 4 pre-motor filters and 4 HEPA vacuum filters for , along with 1 cleaning brush - offering a full solution for deep cleaning performance Color:White Material:plastic Package Contents: 4 * Front filter 4 * Back filter element 1 * Cleaning brush 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.