Compatible Models - Compatible with A10 Hero, A10 Master, A11 Hero, and A11 Master vacuum filter replacements. Washable and Reusable - The A10 replacement filter for cordless vacuum can be hand washed in warm water regularly. Air dry completely before reuse to ensure better filtration and extended lifespan, helping to save money over time. It is recommended to clean the filter once a month, replace the pre-filter every 3-4 months, and replace the high-efficiency filter every 6 months to maintain optimal vacuum performance. High Efficiency Filtration - The A11 Hero filter is made of precision materials, providing strong suction, cleaner air output, and improved indoor air quality, ideal for homes with children and pets. Easy to Install - This replacement kit for A11 Hero is 100% compatible with the original vacuum model and fits securely without the need for tools or special skills. This kit helps restore your vacuum’s performance. Type: Vacuum Cleaner Parts Color: As Shown Material: Plastic Package Contents: 4 x Pre Filters 2 x HEPA Filter 1 x Brush Only the above package contents are included; other items are not part of this package. Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.