Compatible Models - Replacement vacuum cleaner bags are compatible with all automatic dirt disposal models with clean base. Suitable for i7 i7+ i3 i3+ i4 i4+ i6 i6+ i8 i8+ j7 j7+/Plus E5 E6 E7 Vacuum Cleaner Strong Sealing - The dust bag is made of 2-layer high-strength ultra-fine melt-blown fiber filter layer and 2-layer non-woven fabrics. It can effectively prevent 99.97% of dirt, debris and other particles as small as 0.3 microns from being blocked. 12 Value Packs - The package includes 12 automatic dirt disposal and 2 clean brushes. Large packages are more affordable and meet your long-term replacement needs. Large Capacity - Each vacuum cleaner dust bag contains 30 bins of dirt, dust, hair and debris. Solve the problem of frequent replacement dust bag disposal Easy to Install and Replace - Compared with the traditional cleaning method, the dust bag has a strong sealing property, you can easily replace your old dust bag in a short time without any tools, easy disposal without the