Compatible with Miele Triflex HX1 3-in-1 Cordless Vacuum Cleaners,;; High Performance: This filter removes 99% of dirt, hair, and small debris. Fresh exhaust gas can prevent dust, reduce dust damage to machine parts, and has no secondary pollution. Washable and Durable: The replacement filter can be washed. Simply rinse with clean water and allow to air dry completely before using again 2 filters. Note: If you want to remove the element and filter, install the filter on the vacuum cleaner and remove the filter by pulling the pull button on the filter.; Please pay attention to the size and model you need before purchasing. We provide 24-hour quality service, please feel free to contact us if you have any questions!