With a 4.5 out of 5 star average from more than 23,000 reviews, this vacuum is a best-seller. Right now, it can be found for an amazing 60% off during Prime Day, reducing the price to a whopping $99 from its normal $249. With a discount this steep, there’s a fair possibility Amazon is even making a loss on the flash sale.

The Shark PowerDetect Upright Vacuum is one of the most versatile upright vacuums on the market. Like other Shark vacuums, it's outfitted with a Detect mode that adjusts the suction based on the floor type and how clean it is.

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The cordless Shark Stratos vacuum powers through daily cleaning and everyday messes. Our review covers performance, battery life, and ease of use.