Compatible models: Our a10 filters are compatible with for a10/a11 hero, a10/a11 master, s11, s11 series, pwrhero 11 snap, hero+, master+, a10/a11 essential, a10 dash, a10-03, a11-07, s12 pro ex,s15 series cordless stick vacuum cleaner Premium efficiency filtration: A10 hepa filter for made of high-strength material has higher suction performance HIGH QUALITY Material: The vacuum cleaner filter holder is made of high quality material, stainless steel filter is , and the filter holder is washable. It is recommended to change the filter holder regularly according to the usage to the best performance. Washable and reusable: The filter replacement for can washable and reusable, simply rinse with clean water and let it completely air dry before reusing them Easy to install: Just remove the old filter and install the a10-03 filter replacement for in place. It is recommended that replace the pre filter every 3-4 months, hepa filter every 6 months for continuous cleaning performance Vacuum Part Type: Filters Color: As Shown Material: plastic Package Contents: 1 * Filter 2 * Pre-filter 2 * Post-filter 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.