Vacuums are one of those appliances that can invoke a lot of passion. And few brands invoke quite as much passion as Dyson. The company’s powerful, ergonomic vacuums have legions of devoted fans who credit their clean floors back to them. But to get one, you usually have to shell out upward of $400 for a new model. Well for today only, Prime members can score this refurbished one on Amazon for $150.