Helps clean the vacuum cleaner and promotes a healthier lifestyle. Replacement Filter: A dirty filter can significantly reduce suction power. Depending on usage frequency and the amount of dirt collected, replace the filter every 3 to 6 months for best performance. HEPA filter is made of high-strength, environmentally friendly materials that capture particles as small as 0.3 microns. This helps maintain vacuum performance while reducing the release of dust, pollen, and other particles into the air. Easy to install and disposable; no tools required. Replace filters every 6 months for optimal results. Accessories effectively remove dirt, dust, and debris from corners and edges, including pet and human hair. Type: Vacuum Cleaner Accessories Compatible Models: - Compatible with 7490 Immortal - Compatible with 7490 Immortal X-Treme - Compatible with 7490 Immortal Home - Compatible with 7490 Immortal Home X-Treme - Compatible with 8290 Immortal Ultra Power Home X-Treme - Compatible with 8290 Immortal Ultra Power - Compatible with 8290 Immortal Ultra -Treme Not compatible with other models in the 7490 or 8290 series. Quantity: 12 pieces Color: White & Black Material: Plastic Package Contents: 12 x Filter Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.