This Shark? Lift-Away? comes with a PowerFins? brushroll a no-bristle system to deep-clean and pick up more in every pass (vs. original DuoClean?)?all with no hair wrap thanks to the self-cleaning brushroll. It also includes Anti-Allergen Complete Seal Technology? with a HEPA filter to trap over 99.9% of dust and allergens inside the vacuum keeping them out of the air you breathe. (Based on ASTM F1977 of particles .3 microns or larger.) LED headlights on the nozzle reveal hidden debris around your home while Advanced Swivel Steering lets you easily maneuver in and out of tight spaces.