General description These 25 dust bags are compatible with the 2499 Ultra, 7490, and 8290 models. Made of high-quality cloth material, they are designed for easy removal and replacement as part of regular maintenance. Technical specifications Material: Cloth Package Contents: 25 dust bags Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace the dust bags every 2-3 months to maintain optimal performance of your machine. Other information Color may vary slightly due to light reflection and different displays. Note: Only the dust bags are included; other products are not included.