General description Made of HEPA filter paper, this filter kit offers high purification efficiency, ensuring that the air released from your vacuum cleaner is healthier. It is designed to maintain the clean performance of Dyson DC19, DC20, DC21, and DC29 models while effectively reducing the penetration of dust, pollen, and other allergens into the air you breathe. Regular replacement of the filters is essential for optimal performance. Technical specifications Material: HEPA filter paper Color: Purple + Blue Size: 152 mm Package Contents: 2 Pre-filters, 2 Rear Filters Measurement allowed error: +/- 1-3 cm Installation Easy to disassemble and replace as part of daily maintenance. Usage To maintain the best performance of the vacuum cleaner, replace the filter every 2-3 months. Regular replacement helps your machine run normally. Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product.