Helps clean the vacuum cleaner and makes your lifestyle healthier. Replacement Filter: A dirty filter will greatly reduce suction power. Depending on the vacuuming frequency and amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. HEPA filter is made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other into the air you breathe. Easy to replace and disposable, no tools required. replace filters every 6 months for optimal performance. The accessories are easy to remove dirt, dust and trash in corners and edges effectively. Especially your hairs and your pets hairs. Type:Vacuum Cleaner Accessories Compatible Model: Compatible For 7490 Immortal Compatible For 7490 Immortal X-Treme Compatible For 7490 Immortal Home Compatible For 7490 Immortal Home X-Treme Compatible For 8290 Immortal Ultra Power Home X-Treme Compatible For 8290 Immortal Ultra Power Compatible For 8290 Immortal Ultra -Treme Not Compatible with other models of the 7490 and 8290 series. Quantity:12PCS Colour:White & Black Material:Plastic Package Contents: 12 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.