As a secondary vacuum cleaner, we primarily put it to use in the kitchen, where our children eat frequently and where we must be vigilant about picking up crumbs and the like. I've used BOSH, which is a toy compared to this one, and this is the best cordless vacuum cleaner I've ever used. While they didn't rule out using a wired vacuum for the bulk of their house cleaning, they acknowledged that a standard vacuum's suction power would be more effective. If you clean at full strength, however, the cordless vacuum's suction power holds up fairly well.
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