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, designed for reliable vacuum performance. Features: Easy to clean and install. HEPA filter suitable for use in kitchens, living rooms, study rooms, and other indoor or outdoor areas requiring dust filtration. Fine Dust Collection: Captures 99.97% of particles larger than 0.3 micrometers. Effective filtration helps remove fine dust from corners and hard-to-reach areas, contributing to a cleaner environment. Color: As shown. Material: Plastic. Package Contents: 2 x HEPA Filter 49-90-1963. Note: This package includes only the items listed above. Other products are not included. Note: Slight color variations may occur due to lighting and display differences. These variations do not affect product functionality. Measurement error allowance: +/- 1-3 cm.