Shark ZU561 Navigator Lift-Away Speed Plus Self Cleaning Upright Vacuum

The Shark ZU561 Navigator Vacuum is another great upright vacuum among many models offered by Shark. The Shark ZU561 Navigator Vacuum allows users to lift and carry the canister while cleaning with the vacuum's wand. The Shark ZU561 Navigator Vacuum also comes with a unique brush roll that is less tangle-prone than many vacuums' brush rolls. Design and Features  Post-motor HEPA filter: The Shark ZU561 Navigator Vacuum comes with a HEPA Post-motor filtration system that can be accessed by raising the lid on the front cover. You should clean the HEPA filter with water at least once a year.   Pre-motor filters: The pre-motor filters also require that you clean them up to four times a year. The felt and foam filters can be found under the dirt compartment and are easily detachable.  Brush roll: The Shark ZU561 Navigator Vacuum provides a brush roll that is not built for easy detachment. However, you can access it by lifting its cover with a screwdriver. Although Shark perceives the ZU561