I have a Euphy G30 Edge that I use every day in my living area when I sleep. I confess I didn't sweep or vacuum every day before I got this little robot but it doesn't cost me anything to run it and my house is cleaner so why not. In any case, there are wearing parts when using this device in this way and these parts fit together perfectly. They are easy to install and I would call them consumables. They are also a lot cheaper than the parts offered by the company that made my Robobac.
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