This guy used a deep cleaning vacuum to get rid of the dirt embedded in a car seat, which is what many of us who own cars are familiar with. However, do we really know how filthy our seats are? Thanks to the transparent nozzle, you can see just what exactly gets pulled out of a seat being cleaned this way. From the look of it, these seats were long overdue for a deep clean!. Watch one of the most satisfying cleaning videos ever.