General description For Dreame H12 Pro, H12 Plus, and H12 Core, this set of spare parts includes soft roller brushes and HEPA filters designed to maintain optimal performance of your wet dry vacuum cleaner. Regular replacement of these components is recommended every 1-3 months to ensure the machine operates efficiently. Technical specifications Type: HEPA Filter Material: Plastic Package Contents: 3 x Roller Brush, 10 x HEPA Filter Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with: H12 Pro, H12 Plus, H12 Core Installation Easy to install and replace Components can be easily removed as part of normal maintenance Usage Recommended replacement every 1-3 months for best performance