General description Replacement HEPA filter compatible with Dyson V12 vacuum cleaners. Made from high-strength, environmentally friendly materials, this filter is designed for easy installation and optimal performance. It is recommended to replace the filter every 1-2 months to maintain the vacuum's efficiency. Technical specifications Material: Plastic Package Contents: 4 x Filter Elements, 1 x Cleaning Brush Measurement allowed error: +/- 1-3 cm