Shark POWERDETECT Complete Performance Upright Vacuum, with Powered Lift-Away, UV3900

The Shark® POWERDETECT™ Complete Performance upright vacuum has incredible suction and powerful hair pickup. It’s designed with Shark’s most advanced technologies* to clean debris on both floors and carpets, when moving forward or in reverse, in corners, and along edges. Detect Technology automatically optimizes suction power and brushroll speed whenever you need it. The DuoClean® Detect nozzle grips & captures more dirt, debris, and hair,** while Odor Neutralizer Technology guards against bad odors inside your vacuum. Anti-Allergen Complete Seal Technology® captures and traps 99.99%*** of dust, dander, and allergens inside the vacuum, keeping them out of the air you breathe. Shark’s breakthrough Detect Technology combines with incredible suction power in just one word: POWERDETECT. *Based on the number of features that autonomously alter cleaning performance. **Based on a geomean of combined tests -IEC62885-2 Sec 5.3 FWD, IEC62885-2 Sec 5.3 REV, IEC62885-2 Sec 5.5 FWD, IEC62885 Sec 5.5 REV vs. upright market. ***Based on ASTM F1977, down to 0.3 microns. Allergens refers to non-living matter.