... into: two vacuums with basically identical suction numbers on paper perform completely differently after a few weeks of real use. The reason isn't the motor, it's hair wrap. Long hair (human or pet) catches on a standard bristle brush roll, tightens with every rotation, and eventually chokes the motor or just stops the roller from spinning properly. At that point it doesn't matter how strong the suction spec is the machine physically can't clean anymore until ... ... hair off manually. It's kind of a classic "spec sheet vs