Package Contents: 8 x -Efficiency HEPA Filters. Each package includes eight filters, meeting your long-term replacement needs Compatible Models: This is a Replacement Parts, Compatible with for Omni S1 Pro Efficiency and Performance: The -Efficiency HEPA Filter captures up to 99.5% dust, dirty, pet hair and particles as small as 0.3 microns Washable and Reusable: Please clean the filter once a month. Gently tap the filter to remove any dirt. Rinse it under cold water, and let it air dry completely before placing it back into the device Shipping and Installation: Shipping with a Bag packaging to prevent from being d in transit. It is easy to be replaced and installed. No additional tools are required Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 8 * Hepa Filter Replacement