The Shark Stratos Upright has the most powerful suction & best hair pick up of any Shark. It features Shark s most advanced cleaning technologies a - DuoClean PowerFins HairPro nozzle grips & captures more dirt, debris & hair, and Odor Neutralizer Technology guards against bad odors inside your vacuum. Plus, Anti-Allergen Complete Seal with HEPA filtration traps fine particles as you clean.