Compatible Models - Compatible with for A10 Hero, A10 Master, A11 Hero, A11 Master Vacuum Filter replacement. Washable and Reusable - The a10 replacement filter for cordless vacuum filter can be hand washed in warm water on a regular basis, but air dry completely before reusing for better filtration and longer life, helping to save even more money. It is recommended to clean once a month, replace the pre-filter every 3-4 months, and replace the high-efficiency filter every 6 months to your vacuum cleaner is in the best condition High Efficiency Filtration - The a11 hero filter made of precision materials has higher suction performance, cleaner air, and a perfect experience of a healthier living environment, which is very important for children and animal families. Easy to Install - Our replacement kit for a11 hero is 100% compatible with the for original vacuum cleaner and fits perfectly without any tools or special skills and without any problems. This is the perfect kit to give your machine a fresh start. Please believe us. Type:Vacuum Cleaner Parts Colour:As Shown Material:Plastic Package Contents: 4 * Pre Filters 2 * HEPA Filter 1 * 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.