Shark robot vacuums are on sale for Prime Day and there are some good deals to be had. For instance, the AI Ultra is on sale for just $280. This is 50 percent off, as the regular price is $550.
This model topped our list of the best robot vacuums, so it’s the real deal. The AI Ultra boasts fantastic suction power and the bagless self-emptying base is incredibly handy. There’s a simple mobile app that lets users control the vacuum when not
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