High Efficiency Dust Bag: Replacement dust bag features 2-layer filtration, captures over 99.7% of large items, also more efficient than other 2-layer dust bags. Non-woven, well-sealed edge of the disposal dust bag, solving the problem of frequent replacement of the disposal dust bag. Unbeatable Value: Provide enough replacement kit to change your old dust bag with less expense. For better performance, we suggest you replace your dust bag in time. Easy to Install: No tools required, also free your hands from complicated installation steps. Replacement dust bag suitable for your spare part, the dust bag can be easily installed into the machine and work well. So you can easily replace your old dust bag in a short time without any tools. Dust bag: Made of high quality material, so you don't have to worry about leakage, so that everything can use it calmly, large capacity of garbage, hair, dust removal, make the floor clean as new. It is best to replace the spare parts every 2 to 3 months