Improve air quality as you clean with the Miele HEPA AirClean Vacuum Filter, engineered to trap 99.95% of airborne particles, including allergens, viruses, and bacteria. Perfect for households with asthma or allergy concerns, this filter is compatible with several Miele models such as Guard S1, M1, L1, Complete C2, C3, and Compact C1, C2. Regular replacement helps keep your vacuum performing at its best, and Miele advises changing the filter once a year. It’s a reliable solution for ensuring that dust stays in the bin, not in your home’s air.