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 models DC19, DC20, DC21, and DC29, effectively reducing the penetration of dust, pollen, and other allergens into the air you breathe. Technical specifications Color: Blue Material: Plastic Package Contents: 3 x Pre-Filter, 3 x Rear Filter Measurement allowed error: +/- 1-3 cm Installation As part of daily maintenance, the filters are easy to disassemble and replace. It is recommended to replace the filters every 2-3 months to maintain optimal performance. Usage Regularly replacing the filters will help your vacuum cleaner run normally and efficiently.