General description These HEPA filters are designed for vacuum cleaners, made of high-quality materials to effectively filter fine dust, reducing dust, pollen, and other allergens from the air you breathe. Regular maintenance is essential for optimal performance. Technical specifications Type: Vacuum cleaner parts Material: Plastic Package Contents: 2 pre-filters, 2 post-filters, 1 cleaning brush Measurement allowed error: +/- 1-3 cm Installation Easy to remove and replace as part of normal maintenance. Usage It is recommended to replace the filters every 2 to 3 months to maintain optimal machine performance. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.