Compatibility and Precise Fit: These vacuum cleaner filters are designed as a compatible alternative to Miele filters, ensuring a precise fit that maintains optimal suction performance for Miele vacuum cleaners. Reliable Filtration Performance: These filters effectively capture dust and pet hair, making them suitable for allergy sufferers and pet owners, promoting a healthier home environment. Durability and Environmentally Friendly: Made from durable materials, these filters are easy to clean and reusable, reducing waste and minimizing the need for frequent replacement. Wide Compatibility: This replacement filter is suitable for Miele models including the Blizzard CX1 and Boost CX1, as well as various Miele accessories. Improved Cleaning Efficiency: These high-quality filters help maintain powerful vacuum performance while improving indoor air quality. Product Name: Vacuum Cleaner Filter. Part Number: 11639240, SF-HY 60, 11639250, CX-FSF. Fits: Miele Blizzard CX1 and Boost CX1. Compatible with part numbers 11639240, SF-HY 60, 11639250, and CX-FSF. Also fits Boost CX1 125 Edition, Boost CX1 125 Gala Edition, Boost CX1 Active, Boost CX1 Allergy, Boost CX1 Cat & Dog, Boost CX1 Cat & Dog PowerLine, Boost CX1 Parquet, Boost CX1 Parquet PowerLine, and Boost CX1 1 PowerLine. Color: As Shown Material: Plastic Package Contents: 1 x Front Filter Element