[Compatible Models] - Compatible with eufy HomeVac H11, H20, H11 Pure. [High Efficiency Filtration] - Two Layers of filters, Mesh Pre-filter and HEPA Filter, effectively block 99.9% of the particles that get picked up at the cleaning nozzle. [Washable and Reusable] - Simply rinse with clean water and air dry completely for reuse. [Well Performance] - Filter replacement maintains your Eufy’s cleaning at peak performance. It is recommended to change the filter every every 1-2 months.