General description Replacement filter designed for 3-in-1 Backpack Vacuums 0885-20 & 0885-21HD, compatible with part# 49-90-1963. Made from high-quality materials, these filters ensure optimal performance for your vacuum cleaner. Technical specifications Material: Plastic Filter type: HEPA Particle capture efficiency: 99.97% for particles larger than 0.3 micrometres Package contents: 2 HEPA filters 49-90-1963 Measurement allowed error: +/- 1-3 cm Usage These filters are easy to clean and install, making them suitable for various environments including kitchens, living rooms, study rooms, and outdoor areas that require effective dust collection. Other information Please note that slight color differences may occur due to light reflection and different displays, but this does not affect the use of the product.