Compatible Model: This replacement filter fits Milwaukee M18 3-in-1 Backpack Vacuums 0885-20 and 0885-21HD. Comparable to part number 49-90-1963. Durable Material: Made from high-quality materials, this filter is designed to provide reliable performance for your vacuum cleaner. Features: Easy to install and clean, this HEPA filter is suitable for use in kitchens, living rooms, study rooms, and other indoor or outdoor areas as needed. Fine Dust Collection: Captures 99.97% of particles larger than 0.3 micrometers, helping to remove fine dust and improve air quality. Effective filtration helps maintain a clean and comfortable environment. Color: As shown Material: Plastic Package Contents: 2 x HEPA Filters 1 x Cleaning Brush Note: Only the items listed are included. Other accessories or products are not included. Please note: Slight color variations may occur due to lighting and display differences. These variations do not affect the functionality of the product. Measurement error allowance: +/- 1-3 cm.