Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Dirt Devil filters

The Dirt Devil Extreme Power is great but the filters need to be improved. In my house, after one use, the filter is a real mess and MUST be cleaned throughly. My advice is to brush it as clean as possible(HA!) out in your yard. [I use an old toothbrush or vegetable brush.] If you try to clean it over a gargage can there will be dust everywhere. I can see that these filters will not last long. Also, they can't be washed. So I love the duster but hate the filters.