Miele SF-HA30 HEPA AirClean Filter 2 PackProduct Information XL pack HEPA AirClean filter Twin pack for two years of clean air Safely locks in fine dust and allergens Catches 99. 95% of all viruses, bacteria, and particles.* * HEPA class 13 in accordance with DIN EN 1822 2011 HEPA To maintain appliance performance, change the filter once a year Contents: 2 HEPA filter SF HA 30 with air flow indicator incl. for Classic C1, Complete C1, and Dynamic U1