Helps clean the vacuum cleaner and promotes a healthier lifestyle. Replacement Filter: A dirty filter can significantly reduce suction power. For best performance, replace the filter every 3 to 6 months depending on usage and the amount of dirt collected. HEPA filter is constructed from high-strength, environmentally friendly materials that capture dust particles as small as 0.3 micrometers. 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 performance. 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 and 8290 series. Quantity: 12PCS Color: White & Black Material: Plastic Package Contents: 12 x Filter Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.