Hushtone™ Backpack Vacuum has a 2-speed motor that includes Hush™ Mode for less disruption or Boost Mode for higher performance when needed. The lightweight, ergonomic harness allows for easy maneuverability and helps to minimize downtime. Hoover Hushtone™ Backpack Vacuum has HEPA Media Filtration with Hexaguard™ to improve indoor air quality with HEPA filtration that traps 99.97% of dirt, dust and pollen down to 0.3 microns and Hexaguard™ Technology with activated carbon that absorbs odor to improve air freshness. Backpack Vacuum has tool-free assembly to get up and running faster. 2 year warranty.