Compatibility Guaranteed: Specifically designed compatible the compatible DEWALT 20V Cordless DCV501HB Vacuum Cleaner. Ensure your model matches compatible optimal per compatiblemance and efficiency. Please verify your vacuum model be compatiblee purchase to avoid compatibility issues. Enhanced Filtration System: Crafted from premium materials, these HEPA filters significantly enhance the suction power of your vacuum, ensuring a cleaner and healthier environment. The inclusion of 4 foam sleeve filters aids in extending the life and per compatiblemance of your vacuum. Comprehensive Package Contents: This set includes 2 high-efficiency HEPA filters, 4 foam sleeve filters, and 1 cleaning brush, providing a complete replacement kit to maintain your vacuum's optimal functioning and cleanliness. Extended Vacuum Life: Using these precisely compatible filters not only boosts efficiency but also prolongs the life of your compatible DEWALT vacuum. Regular replacement of filters ensures the longevity and sustained per compatiblemance of your cleaning equipment. Easy Installation and Maintenance: These filters are designed compatible quick and hassle-free installation, allowing you to replace your old filters in minutes. The included brush assists in maintaining and cleaning the filters, ensuring peak per compatiblemance. : Material:plastic Package Contents: 2 * Filter 4 * Filter cotton Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.